The Seiko SKX007, released in 1996 and produced for 23 years until 2019, is widely regarded as the most influential affordable mechanical diver watch in history. It achieved this status through its exceptional value proposition, combining ISO 6425 certification for 200m water resistance, legibility, and shock resistance at a price point of approximately $130 (converted from 13,000 yen). The watch features the 7S26 automatic movement, which, while lacking manual winding capability and having a 41-hour power reserve, offers remarkable serviceability due to comprehensive technical documentation available from Seiko Instruments. The SKX007's combination of durability, reliability, and accessibility made it the most produced diver automatic watch of all time, keeping the watchmaking industry alive in many countries. Its resale value has quadrupled in just six years, demonstrating its enduring collectability and cultural significance in the watch enthusiast community.
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Seiko SKX: World's Greatest Diver's Watch | Master Watchmaker "Happy 30th Birthday" Review本站添加:
Good morning. My name is Nicholas Heeko and I'm a watch maker.
>> Hello, I'm Andrew. I'm also a watch maker.
>> Andrew, today we're doing three things.
>> Yep.
>> Number one, a massive happy birthday.
>> Yes.
>> Number two is a confession to make.
>> Okay.
>> Uh it's my personal, but you're part of it as well.
>> Okay. Yeah.
>> And number three, one thing you must not do. Don't even think about it.
>> And it's not it's not wearing the watch in the shower, apparently.
>> No, actually the watch we're reviewing today is wear it in a shower watch.
>> Okay. You must wear it in a shower. We want you to wear it in a shower.
>> Okay. It's going to be uh a standard 15 points test.
>> And uh before we we tell you which watch are we reviewing today, let's just go quickly to our uh what is it? the uh scoreboard. So, we reviewed 10 watches so far starting with Astron and Grand Seiko and Tentagramraph and couple of Omegas and number of Seikko divers.
>> Uh down to $10 big W. Cheapest Australian watch.
>> The color big W color >> big W. Yeah. And we now have a list of 10. Uh we can tell you >> just quickly it's still perfectly on time.
>> Oh, fantastic.
>> It's it's hanging up just inside. It's perfect.
>> Don't judge your watch by timekeeping.
You might be surprised. Uh Big W $10 watch is 10th of the on the list on the bottom.
>> Rightfully so. I mean, how could it >> how could it beat anyone surely?
>> But on the top of the list is Seiko Astron SH1 186J that we reviewed which scored 127 out of 150.
>> Yeah.
>> Uh so the watch we reviewing today, I got a feeling it will be I say probably in the in the top five of of the list.
Yeah, you would think so. You would have to think so.
>> Massive happy birthday. 30th happy birthday to three boys.
>> To black boy, >> y >> to blue navy boy and to orange boy.
>> Yes.
>> What are we talking about? Uh anyone who is a fan of Seikko, especially vintage Seikko, will know that we're talking about the SKX. Uh so we've got 007, which is the uh the black bezel. We've got 009, which is the blue and red, the Pepsi, and the orange.
>> Orange number uh 11.
>> Uh 011 for the orange. Happy birthday.
>> Happy 30th birthday. Released about this time in 1996 >> in continuous production for 23 years in 12 2019.
>> And it wasn't discontinued. It was killed >> was assassinated >> by Seiko.
Seiko had >> inside job.
>> Seikko had enough of it.
>> Yeah.
>> Because it was the most produced diver automatic watch of all times.
>> And it was best sold watch. It has a global coverage.
>> Yeah.
>> Asia, Australia, Europe, North Americas.
And it was one of the best divers watches of all times.
that watch has probably kept the watch making industry alive entirely on its own in some countries and then has been a big part of it in others for sure.
>> Uh we will go into a massive confession thing a little bit later.
>> Yeah.
But again, according to according to official sources, the SKX007 is probably a SEO diver that ended up on most wrist in the world. Wow.
>> And also for its entire production, it was the cheapest ISO standard divers watch of all times.
>> Crazy, >> right?
>> How could you not have one? Well, I was just about to >> collector like if you don't have an SKX 007 or a 009 J would be nice to which is the uh >> K also >> the uh Jubilee bracelet >> next to your part next to your Submariner next to your AP Royal Oak.
What are you doing?
>> I suggest you pause hit the pause now and go and buy SKX 007 or 009 >> because by the end of this video the price will double. I mean, >> you know, we we actually bought one for my brother. We bought the 009 J2. So, it's a Pepsi bezel with the bracelet.
>> And that was when he was 30. So, that was 6 years ago, and it was $300 on eBay. It was like an unused uh >> mint condition >> mint condition one. Now, that's like 1,100 bucks.
>> If you're looking for >> I'm taking it back off him.
>> If you if you think, "Oh, I can get it cheaper in Japan." You're you you're wrong. U in Japan mint condition SKX mint condition never worn maybe 10 years old or more they go for about $25,000 $2,500 Australian dollars.
>> This is my tint tin. I should have bought more of them.
>> Yeah. So sell whatever you have. Sell your Rolex today and go and invest in SKX.
>> Seriously.
>> Right. Uh why is this watch uh why are we so excited about SKX?
>> It it is really it we talk about one watch collection >> if you only to have one watch.
>> Yeah, that's right. It fits everything.
>> Yeah. Okay, let's start with our uh 15 points test uh quick or should we go confession straight away?
>> Why not?
>> Yeah, why not? Why not?
>> Okay, so what happened about 10 15 years ago? Um, I've decided to do a little uh online tutorial. That was before people watched YouTube. It was at the time where people were on a Yahoo groups and mailing lists. Wow.
>> And yeah, and I pulled the uh SKX uh uh 7S26 movement apart. I did tutorial from you know opening the case back, taking a stem out and movement, dial hands, complete disassembly and reassembly. It was it was a static online kind of tutorial >> because there is a technical guide available but seeing someone else do it with photos and things like this is much nicer.
>> Yeah. And it was intended to our watch collectors who people who have multiple watches you know Rolex and this and that and Omegas and and many of them talked about themselves as watch really deep into watches right where they were not.
They were only dialed surface deep. And most of you are they I mean I'm not going to sugarcoat this. You most of you have no clue what's inside what's between the case back and and and and dial.
>> So this tutorial was intended to serious watch collectors >> and we encourage them I encourage them go online buy 7S26 Seikko watch any watch you can. At that time they were like $99 right? Not SKX, but the standard SEO fives.
>> Yeah. Yeah. Yeah. Yeah.
>> And there's no harm of pulling apart $99 watch.
>> Yeah. Not then. 2 and a half grand now.
>> Well, many end up buying SKX version because they like the diver and they want to pull it apart, put it back together and then wear it.
And the confession is I believe there are at least many thousands of those watches >> partially disassembled still everywhere around the globe.
>> Yeah, it's you're probably singlehandedly uh responsible for the deaths of you would have you might even have to say thousands of SKX or maybe not SKX but 7S26 movements at least.
>> Yeah, I'm guilty. I'm sorry about it, but you're also guilty as well because 5 years ago, we actually put a fourpart tutorial on uh YouTube. It's you and me talking about in detail how to how to disassemble and reassemble 7S. I'll put a link to those videos. You look much younger five years ago. No beard there.
>> Yeah, we had even a a class or two in here where we had a few people do it. I mean, at least those ones were reassembled because we we made sure they were. But >> yeah, I we I got a lot of emails from all over the world back then, you know, it was again pre-YouTube >> and u uh disassembling 7S26 was a Lego for grown-ups.
>> Yeah, for sure.
>> Yeah, if if you're a grown-up man, uh there's not much you can, you know, kind of pull apart if you're into watches and put back together and get that level of enjoyment.
>> Yeah. At least not if you're a a watch sort of hobbyist, you know, there really isn't anything like it. The the sort of, >> you know, the care that you have to take and that sort of thing. It's Yeah, it's nice to do. It's it was fantastic. U but the core the starting point of disassembly was SIEO instruments group manual for 7S26 movement. And this document to this day is in my mind probably the most comprehensive watch disassembly manual of all times.
>> Uh how cool it is.
>> Will we put some photos of this?
>> We will put plenty of photos. We're not going to go right now into we start with a 15 points.
>> Yeah, we'll get maybe to >> but just your your your overview of a document itself. Look, the >> as a watch maker, >> technical guides technically you should not be able to get because it's under the same kind of jurisdiction as uh parts not being available.
>> So, Amigga guides, the only ones you can find are ones that someone has who's worked at Omega happens to have the PDF and has put it online. You shouldn't be able to get them.
>> So, already it's annoying. The fact that this one is readily available because they're really good guys and we love them is fantastic. On top of that, the size of the photos, they have a photo for every part if you're ordering spare parts. Um, you know, just how it's laid out is absolutely fantastic.
>> Yeah, the exploded view.
>> Yeah.
>> Oiling charts.
>> Yeah, the Seikko ones are probably the best. The next best I would say is the 7750. That's quite a good one because it's got all different variations, but >> beyond that, >> they're very difficult to get and they're kind of annoying sometimes.
>> Very good.
>> Yeah.
>> Uh let's get into 15 points and find out how this SKX rates against watches we reviewed previously and also to find out simply who loves it better, Andrew or myself.
>> Yeah.
>> Okay. Starting point number one. The watch was originally released at the price of about $130 converted in today's money. It was it wasund uh 13,000 yen.
>> Okay.
>> So was it was very much an entry level >> a divers watch in Seikko range.
>> Yeah. That's like 200 bucks max.
>> Yeah.
>> Yeah. In today's money surely.
>> Okay. Number one dial in hands.
>> Let's have a look again.
And as you're looking at the at the watch the in 1996 when the watch was released uh prior to that the current diver with a 7S26 movement uh sorry 7000 movement was u this model it is uh 7002-7000.
So, caliber 70002-7000 same case size but not day and date and uh >> it was a it was a so Seikko already had a diver watch but what made the uh SKX special is number of things that we will cover in this review.
>> Yeah.
>> Dial and hands.
>> Dial and hands. Look, they're lovely.
They're fantastic. They're Seikko quality. The the dial on these I like because it's difficult to mark. um the the paint isn't so um fragile. Uh but look, there's no raised markers. You know, everything's really clear. The printing uh and the loom is like really accurate, but there's no raised markers.
The hands are just sort of, you know, rounded polished finish, so they're not super sharp like your more expensive Seikkos um and others. I'd have to say that's that's a five for me. Not that it's bad, but this is like >> it's a mass-produced dial.
>> This is an average dial. This is this is what it should look like.
>> Yeah. Yeah. I'll say five.
>> I like design of the dial. Uh >> but that's a separate issue alto together.
>> The hands are semig gloss. That's that's nice. Uh but yes, industrial industrial product.
Yeah.
>> I'll say probably six out of 10 for dial and hands.
>> Yep.
>> Number two, case and crystal.
>> Yeah. So 41 and a half mil.
>> 42 really measured.
>> 42. Yeah. Okay. Okay. So, that's perfect size.
>> Yep.
>> I think anyway, um, hardlex glass, no AR coating, which is kind of period correct, I suppose.
>> Uh, one detail, see this is >> watch makers now talking AR coating on a flat crystal is not necessary. It's not necessary.
>> On a flat crystal, reflection is not a problem.
>> Yeah, because it's because it's flat. It really only comes in on one light.
That's that's why you know >> but the moment you start introducing a dome of some kind this is when you need to anti-reflective coat the crystal either from underneath >> it picks up the reflection from multiple lights because there's a curved surface now it's getting lights from here coming in rather than just the one above you into your eye sort of thing.
>> Yeah.
>> So no coating is not not a problem at all.
>> Uh yep. So what is it? This hardlex.
>> Hardlex. Yep. Screw lock crown.
>> Yep. So the, you know, like current, we were talking about before, current Seiko 5s don't have screw lock crown. Probably don't need it, but um screw lock crown is nice on this one.
>> Yep.
>> With with the uh case, I love the case.
I love the polish. It's high gloss >> uh brush lugs on top. It's a beautifully robust case with uh >> one of the most recognizable cases on the planet. Actually, you know, when you when you touch it, when you hold this watch in your hand, it feels $1,000 watch. It doesn't feel like $130 watch.
It feels much better than than what price would suggest. So, that is that is very important to me for sure. I'm going to say six.
>> I'm going to say seven. Okay. Yeah. I like the uh case and if it's not sapphire crystal, it's fine. Bracelet.
>> Bracelet. So, uh, I'm more familiar with the Jubilee, which is lovely, and I I I prefer that one to the rubber strap.
This one has a rubber strap. Um, it's jingly. I prefer modern bracelets with solid links, solid end links that has like the little the the um, you know, the sheet metal uh, end links.
>> Um, no toolless micro adjust. You have to use the pin or something.
But it is really nicely finished. If you ever see one, you know, brand new, mint, unused, not refinished, but brand new, they are actually really nicely finished.
>> Hey, how about a quick uh bracelet test or strap test?
>> Oh, here you go. Here's the Hang on.
Here's the 200 me uh 200 Newtons.
I'm literally Go one more time.
>> Yeah, one more. Okay, I'm >> This is a a full strength as as we're sitting, you know. Yep. No problem whatsoever. Massive pins. Uh, beautiful rubber uh uh strap.
>> Do that to your moon watch leather bracelet. Leather strap. Sorry.
>> Yeah, I I'm I'm This is This is very impressive. On a rubber. I'm I'm going to go nine out of 10. See, >> that's a rubber and a spring-loaded bar.
>> Okay. Yeah, true. I'm going to say seven >> only because I personally don't like the rubber and little things annoying me about the the bracelet, but only only because I'm picky. Uh fine. Uh movement number four.
>> Okay. So, uh automatic caliber NH25 or 26 >> or S26 >> or 7S26.
>> Y >> which is uh no manual wind.
>> That's annoying.
>> But I guess period no um hack.
>> Yeah.
>> Should it have a hack? Look, we we already uh we started with the two most negative thing about 7S26, right?
Negative compared to other contemporary movements.
>> True. Yeah. True.
>> This movement. Okay. We'll go positive then.
>> No. No. Let's discuss no hack for example.
>> Okay. Yeah. Yeah.
>> Can this work be thinking >> hacked actually? Yes. with this applying a pressure on the stem counterwise.
>> Yeah. Yeah. So, when you're in the time set position, >> if you just you don't wind the hands backwards, but you just give it enough pressure so that the second hand stops ticking. Cuz what you're doing is you're you're turning the cannon pinion back, which is turning the center wheel the the wrong way that it normally travels.
And that back pressure stops the escape wheel from turning >> because it's against the pallet. it can really only turn in one direction. Um, so don't, you know, do it for too long or make a habit of it. But you can hack it, I guess. Technically, yeah, >> technically you can. It's a very primitive way of doing it. Uh, should have sac a hack lever there somewhere.
How much would that increase the production cost? Not much, >> but it is what it is. All right. It is it is something that I would rate the movement lower because of that.
>> It is the most sold watch on earth, I guess. like not many people really care.
>> Uh the other the other issue that you said just mentioned is you can't wind the watch manually.
>> Uh we talk about this. Is that really necessary? It would be nice if you could. It would be really nice if you could.
>> Especially if you're not wearing it over the weekend. You start on Monday and it's dead. You really have to stand there >> shake it a few times for >> I think I think they say 100 to 150 on them.
>> No. No. They said if you want a proper technical explanation how to wind a watch without manual wind, refer to manual please. It says here 60 minutes on a winder >> at 30 RPM.
>> There you go.
>> It's very specific. So if you have a watch winder, this is the kind of watch you wouldn't mind putting on a watch winder. But the efficiency of magic lever is such that watch will build power reserve much faster. Yeah. much faster than your uh Swiss movement with the standard auto reverse wheels.
>> That's true because it's got the the PS.
Yep, that's true.
>> Okay. So, the movement is caliber uh 7S26 or NH 26.
>> Yeah.
>> 25 and 26. The difference is the no uh day.
>> Yeah.
>> Both have date, but the 25 doesn't have the date.
>> That's the only difference between caliber 50 25 and 26. Mhm.
>> Uh for 21 jewel.
>> Yeah, that's nice.
>> And I think maybe we should go into manual right now and talk about uh reasons why we love Oh, no. Leave this for serviceability.
>> Okay. Yeah, we'll leave it.
>> Okay. So, how would you rate the movement to timekeeping? Timekeeping.
What did we say? 20.
>> Well, timekeeping. So, they're claimed in >> We will talk about accuracy later as well.
>> Oh, yeah. True.
>> Okay. So, the construction of the movement, just the construction, the finishes, you know, they're not fantastic. It's a six. It has to be a six movement. It gets a six because of who it is. I think it also gets a six because of what it is.
>> Yep. I'll say it's five for me.
>> Mhm.
>> Okay. On a movement.
>> Yep.
>> Um, number five, functionality, time, >> time, day, date, uh, and, uh, rotating bezel. timer on a bezel. Yeah, that's nice. That's kind of average.
>> Yeah, I like that the uh uh day is in two languages.
>> Yeah.
>> Right. So, there was a >> English/Japanese version. It was English/Arabic.
English/ >> I don't know.
>> French and a Spanish one.
>> Spanish definitely.
>> Yeah.
>> Yeah. Uh I like that. That's kind of cool.
>> So, you get the That's why you got to get the J if you want the Japanese uh the kanji or whatever it is.
>> Yeah. This one is Arabic. Oh, this one is Arabic SL English.
>> Nice.
>> Yep. Cool. Okay.
>> Okay.
>> Functionality, let's say six.
>> Functionality is eight because it's a diver watch. So, what else can you ask?
>> Do you want to change your mind? Oh, stick stick with six.
>> I'm going to stick with six.
>> Number It's eight from me.
>> Yeah.
>> Uh number six, legibility.
>> Wow.
>> Look, it is one of the more legible dive uh divers you can get. It's Rolexesque in that it's got a dark dial.
Um really bright loom. Um you know, large markers. There's obviously cuz it's uh ISO >> certified.
>> Uh the second's hand has a dot of loom as well, which is quite large, so you can't actually see that in pitch black darkness.
>> It is actually a really good diver. This is this is the one you should get if you're going to go diving. Don't dive with your James Cameron.
>> Even with the This is a 1994. So preKX model. Look at it. It still glows in dark. 1994.
>> That's 30 years. Is it?
>> I mean, a tr would it be better with a treaty of dial or worse?
>> No, it would be worse. Even even a dot on a on a on a bezel glows like >> Yeah.
>> Crazy. Fantastic. I have another SKX here, a black boy. This is well beaten up. Uh, you know, the date disc also glows.
>> What?
>> Yeah. Uh, look at this. This is your at least 25 years old watch. Still glows. I love it. Legibility to me, it is uh nine out of 10.
>> Yeah, it kind of has to be. I mean, how can we rate it any lower? It's it's if the ISO people are like, "This is how legible your diver has to be." How could we say it's not?
>> No.
>> Nine.
>> Nine. Uh, accuracy number seven.
>> Okay. So claimed minus 25 plus 35 seconds a day.
>> Y >> um that's static accuracy and this is nice part of the technical guide.
Measurements should be done within 10 to 60 minutes after fully wound up.
>> Um and all measurements made without calendar and function. So you'd have to do them say at midday on on the time on the watch.
um three positions measured and uh it says specifically to use a a witsy uh watch expert timing machine. That's like $12,000. It's very expensive. Um now posture difference difference is under 60 seconds within maximum minimum value um for how different it is in each positions and then uh isocchronism over 24 hours.
Uh it's got dialup position only and difference of static accuracy between 24 hours and 0 hours minus 20 to plus 40 seconds per day. Mhm.
>> So they they basically say it should pretty much keep their manufactured standard all the way down to um half power reserve.
>> And again these are Seiko kind of don't trouble us with accuracy. We don't want to know >> measurements and and and guides and you know extremes. But we know we know as a watch makers and you as owner if you had a SKX uh with a 7S26 movement you know that that movement can keep much much better time when adjusted. Some out of box some need adjustment.
>> This is essentially that that's the worst case.
>> Absolutely worst case scenario. If a watch had >> say um you know >> plus 35 seconds a day we would be adjusting it. You don't you don't leave it at that, you know, but that's just that's what they can guarantee based on what it's made from, how it's manufactured, etc. >> Yep. Uh based on that accuracy, how would you rate it?
I mean, let's I'm going to call it I'm going to call it six, but I kind of feel like almost five because I I feel like there are just so many smaller um ranges these days. I should say ranges.
>> So, you forgetting one thing. We are rating the accuracy of a watch that just turned 30 years of age. Okay. So, we talking some a standard that was that was established 30 years ago. All right. Still, I I agree with you. It's probably five from me as well >> on a on a time keeping.
>> Yeah. See, I said six.
>> No, you said six. Maybe five. Six.
>> Yeah. I'm going to I'm going to call it six.
>> Okay. I'll call it five.
>> Okay. again >> only because they're very clear about how they um how they rate it and all that sort of thing.
>> Power reserve >> 41 hours. It's low by today's standards.
It's probably correct by when it was uh first introduced.
>> Y also six.
>> I'll say eight. It's nothing wrong with a 41 hour power reserve on a diver watch that you will wear daily anyway because you can't wind it manually.
>> That's true. But see, can't wind it manually takes a point for me. If it was also a manual wind, I'd maybe say seven.
>> Fine. Uh, >> take notes. See, >> number nine, water resistance. So, this is a big one.
>> It is a 200 m divers watch, meaning >> 200 m ISO certified.
>> ISO certified.
>> Um, so >> and we covered this in a length with the other Seikko diver what the ISO certification requires. It's not just water resistance. It is a shock resistance. Literally being dropped from one meter >> should not affect timekeeping.
>> Yep. ISO also relates to the legibility.
It also relates to the temperature. So they have very distinct guides for what temperatures it can uh be submerged in.
>> Um how long the submersions are.
>> Even to this I've never seen before.
It's, you know, at a depth of this, I think it was, you know, at the rate and depth of the watch for an hour and then at surface level for an hour. I assume that's because when you're actually diving, you know, generally you're in the water, not just for the dive, you know, so they they kind of know what happens when you actually go diving, >> which is interesting. and and time to refresh your memory on why ISO 6425 international standard for divers watch is important.
>> We said before if Andrew and I are to make our own divers's watch, we will come up with certain set of criteria that will suit our needs and our product. But if we to make a real divers's watch >> that complies at international internationally recognized and agreed standard which ISO 6425 is then we can't just do and design whatever we want we would have to start with number of things >> from design itself from performance from legibility. Yeah, this forces you to design a watch for the diver, not for your brand. You know, like you can pick whatever attributes you want. They're like, "No, no, no. It has to be this because someone's going to dive with it." So, that's how you have to do this or better.
>> Yeah. Which is cool. I'm going to say nine.
>> I'm going to say nine. I I would have said eight on 200 meters because there's lots of watches with more, but nine because it's ISO certified.
>> Okay, fine. I'll say it's uh eight.
>> Mhm. uh because it's a plenty and again this watch was intended uh for everyone. It wasn't like your professional divers's watch in that cost $25,000 and it's only for diver then I will be probably more critical but it is a watch for everyone.
>> Yeah.
>> So yeah >> for every shower on earth.
>> For every shower on earth. Now let why don't we talk about this for a second?
Okay.
>> Should you wear your SKX in a shower or not?
me.
>> Yeah.
>> Answering my own question or you want to go first?
>> No. No, you go first.
>> Yes. Absolutely. Yes. 100%. Do wear it in a shower. Enjoy it.
>> Okay. Because this is so waterproof that nothing will happen.
>> I say personally, >> I mean at your own risk, you know, that's a >> asterisk. Uh, I say no only because I've found out today that they're worth more than $1,000. If they were still like 200, 300 bucks, >> 130, 130.
>> Why not? Go for it. Just remember 40° temperature for 10 minutes and then five degrees for 10 minutes and then 40 and then five.
>> Yeah. Do it ISO.
>> Yeah. Shower.
>> Do an ISO shower.
>> Very good. Number 10. Serviceability.
>> That's 10.
Well, that's 11 because >> because there's so many guides online, >> including including the U SI instruction manual. What can I say? We encouraged we encouraged you watch owners to buy one watch with 7S26 movement to pull it apart properly using basic tools and then put it back together. We we know it can be done. Hundreds and hundreds of people if not thousand emailed me and said, "Thank you for your instruction manual. I follow from, you know, start to finish and I got my watch ticking again." And I learned so much.
>> Yeah. Like this is very clear.
>> Um, you know, what to put first. It's got, you know, how they line up together if you follow the lines, where to lubricate. Um, see the different lubrication points here. And then a little legend up here to tell you what to lubricate with. Yeah.
>> Which is nice because for example here uh Mobius 9010.
>> Mhm.
>> 9010 is a very light oil. Um so where have they used this? They've used this on some of the chronog sorry some of the calendar components like the jumper spring which very it needs the tiniest amount of lubrication. Too much will harm the calendar. Mobius 9010. You can Google that and you can buy it. If you look at other guides, ones that you happen to find on the black market of the internet to, you know, find out how to do a watch, um it'll have the branded um lubrication like it'll say, for example, >> but it won't say anything. You >> or it won't say anything, but it'll say, for example, like Rolex lubrication number five.
>> What the hell is that? That could be Mobius 9010 or 9415, but you have no idea because they call it, you know, Rolex number five. So it's a it's annoying. They they know that people are going to find them, but they provide this stuff. The S SII products.
If you are an engineering student, I again pause, go online, download NH26 SI PDF file >> and just look at those drawings. Look at those drawings. This is your next 40 years of your employment. You'll be lucky to work on a fine movement like this. But look at the detail. Look at the uh every single component in watch is numbered. You can order every single component still. You can find this the model reference number. They got sections. They've got like detail views.
Um it's it's crazy. See, if you have a look at this, uh, a lot of the Swiss guides that you'll find, they put the screws, if they have a page with the screws, and if on top of that, they have pictures. They put the picture basically the same size as the screw. So, sometimes you'd think it'd be easy because you can just put the screw over the picture and go, "Oh, that's the one." But they're so similar that you can't tell which one's which. Look at the size of it. Fantastic.
>> Yeah. I I can't I can't speak highly enough about a technical manual and also goes in detail. For example, there's another detail, right? You watch maker.
>> You've disassembled hundreds or maybe thousands of Seikko watches. I guarantee you, you would have no clue how to align the auto winding system with the rotor properly unless you refer to manual because there's a very specific three points which needs to be aligned. the middle of the rotor aligned with the stem and then the >> and then you've got like the so on the the style of the rotor there's kind of like a little I will put a picture up there's like a little click you know at the end >> there's a dot on the um uh >> first reduction wheel.
>> Yeah. And then that lines up with the tip which lines up with a point on the balance [ __ ] and that lines up with if that's uh three it'll be 6:00.
>> Yeah. Yeah. So, so first thing you I'm talking now to to my fellow watch makers. First thing you do, you take a rotor off without even thinking and then when you complete with overhaul everything is done assembled watch keeps time last thing you do you put your rotor back >> but you don't pay attention where it should be in relation to first reduction uh auto winding wheel.
>> Yeah.
>> And that is a problem. Why?
>> Well, if the ro so this has been designed not just as a product that's going to sit on a desk. It's an organic product in a way that it's on your wrist. So, they have to, if they're smart, design the watch that it's the most efficient in the most used wrist position. So, the three positions that they time in, which is uh this one here, this one here, and then this one here.
That's I think 70% of the time your wrist is in one of those positions. So if you can get those positions really good, the other positions can be, you know, >> minus 15 seconds, >> but >> but if it's only minus 15 seconds of 5 minutes of the day, who cares, >> you know? So, um, those positions are the important ones. The way that the rotor sits on your wrist in those positions is important because when you're walking, it's only got a little bit of movement. You know, your rotor isn't going all the way around all the time. So, it's most efficient because it has an eccentric pull system.
>> They grab the the wheel. It's most efficient moving a little bit in that position.
>> Imagine if you flip the watch upside down.
>> You now have the least efficient winding position in the most used wrist position. Doesn't make any sense.
>> It makes perfect sense if you're mechanically minded, especially if you're watch maker. But unless you read the manual, you you don't pay attention to this. Yeah.
>> Right. This is why reading and referring to manual is crucial before disassembly.
>> And it's a good thing to check because if if it isn't in position before you work on it, immediately you're like, "Okay, this dude who worked on it before didn't read the manual. So now I'm looking for other things that might be wrong."
>> Okay. So that that and there are other points. How to adjust hairspring, how to to adjust timekeeping, how to adjust beat error. It's all in a manual. and and how to take a stem out.
>> Yeah. So, it's not just about what is the stem model a stem spare part number but >> much more than that.
>> Yeah.
>> Uh also another detail uh 7S26 contains a few plastic injection molded parts.
>> Yes.
>> Right. Yeah. When we talk about Swiss watch watch making and you you've noticed in late '7s uh well mid70s Omega for example started introducing plastic parts into calibers that was quite uh sort of >> even in the moon watch even in the moon watch the little uh chronograph seconds break in the moon watch in the 1040 1040 and the 1045 um chronographs which are the automatic ones heaps of plastic parts and they're the worst. first they they don't last at all. Having problems with one now, >> but Seikko has perfected >> uh plastic parts technology and rarely I rarely see we rarely see any >> any stripped gears or any any broken parts plastic parts because those parts are really well made. Maybe >> there are reason why if you want to keep a cost low >> but not compromise on a on a performance you know Seikko has done this properly >> and sometimes plastic is actually better because it doesn't necessarily need to be lubricated >> um depending on what it's interfacing with you know they're like solid color you can't see through them at all they never ever crack >> so we don't know composition but we we can tell by the color of the plastic you know which one is which. Yeah, >> I love Seikko and look at the drawing the how complex is for example date change with it's a very very complex part.
>> Yeah, for sure.
>> Okay, so serviceability parts everywhere.
>> Parts everywhere. It's easy to do >> because you got your guide. I'm going to say 10 out of 10.
>> I'm going to say 10 out of 10 on serviceability on a spare parts 11 supplied. still uh you will struggle with maybe bezels and you know some casing parts but internal parts readily available and no problem at all. So it's 10 out of 10 on spare parts.
>> Yeah, for sure. Even though it's not available from Seikko anymore, >> they still get the 10. One, because it's the most produced watch ever. The parts literally everywhere. Two, because they still give you the information that you need as in part numbers.
>> Number.
>> Um so yeah, 10 out of 10.
>> Very good. Uh durability. Well, what can we say? We We are >> This is the durable watch.
>> Yeah. So, we are not reviewing a newly arrived on a market watch like every other YouTuber. They they can't wait to get their hands on the latest and newest.
>> Yeah.
>> Right. No idea how long is that product going to last. Is it going to be popular? Is it going to be as per expectation manufacturers how it's going to age? Right? Is it going to be cool looking >> in 20 years from now? We are reviewing today 30 years old watch.
>> Yeah.
>> 30 years old watch. And I can I can I can guarantee you those 7S26 movements SKX will last for another 100.
>> They have to they have to. This is like uh um there's no reason why Toyota uh Hilux just it's infinite.
>> On durability 10 out of 10 from you.
>> Yeah. I think so. How could it not be?
The only thing I've ever seen consistently sort of uh crappy, for lack of a better word, is after, you know, 30, 40 years, that rubber strap is gone.
You know, sometimes they go really brittle. But realistically, how much are you spending on a rubber strap from Seiko? Do we know how much that is, Gemma? Okay, this is a 30 years old. At least 30 years old silicon. Yeah.
Uh, looks pretty good.
>> Let's do a pull test.
>> This is going to smack one of our knuckles.
>> 30 years old silicon.
>> Oh, you can see that stretch as well that we were like really pulling that.
Okay.
>> Yeah. No, you know what, Ted? Fine.
You've convinced me.
>> Okay, >> I'll give it a 10.
>> Try this on any other uh rubber strap by any other maker. Come on.
>> Do that on your Oyster Flex.
Uh, number 13, resale value. Well, we already covered that.
>> I think this is the probably the first watch we've had on this list where the resale value is like above five >> because it was I know personally it was $300 six years ago.
>> The resale value beats your Rolex Submariner, beats your Daytona.
>> That's quadrupled there. There are $1,200 examples of the one we bought my brother. That's literally four times in six years.
>> I just wish I invested money in SKX. Uh uh you know, >> I don't know why. Why did I buy a house?
I should have bought >> eight. I should have borrowed a billion dollars and just bought every SKX under the sun.
>> Okay. Resale value >> 11 out of 10 for me.
>> Yeah, I'm gonna say I'm gonna say 10 for that.
>> Well, we we we have a lot of watches. We don't have any a stronger performer.
No, we don't.
>> We literally don't. Four times is insane.
>> And more.
>> Okay. Okay.
>> Branded limited.
>> Branded limited. It's not branded limited. Uh I would we we can't rate this. So we pass on this >> boutique experience.
>> Well, boutique. Your eBay is your boutique now because that's where you can get them.
>> Generally not a good experience. But um yeah, >> that's a hard to rate. It's hard to rate because it's literally not available anymore. But if we do rate the Seikko Boutique, we love Seyo Boutique. Um, if you're buying >> to be fair.
>> Oh, Gemma, can I get the parts that just arrived the other day, please?
>> Oh, they're just on the on the desk, >> right? Seiko. Well, we we really rating Seikko here as a as a as a brand.
>> So, so that video uh with um what was the watch? Oh, no. It was the Captain Turtle, was it? Yeah, it was. We were talking about the Captain Turtle and and comparing it to um I think the Rolexes.
>> We ordered parts for a uh a Seikko watch >> and we said, "Let's see if those parts can get here before that watch winds down its power reserve, which is a 72-hour power reserve." And they literally got here. The watch was still on time. That's crazy.
>> Yeah. What can we say?
>> I mean, that's not boutique experience.
That's just dealing with Seiko. That's just dealing with Seikko.
>> But then what I was saying, so eBay because it's not an expensive watch.
It's not your, you know, you're buying an AP Royal Oak diver from Bulgaria.
>> You have fair confidence when you go on those eBay shops that are selling lots of them. So it's not really a bad thing that you're buying them from eBay to be honest. So I I would give that an eight.
It is easy to get them safely. It is very hard to rate this uh on a on a watch that is first introduced 30 years ago, no longer in production.
Oh, by the way, just to cover one thing, why are they called black boy and blue boy and orange boy? Again, this this is how are they referred to in Southeast Asia, >> Thailand, Philippines.
>> Uh this is this is the core market really. those humid uh the worst place on earth for watches.
>> Yes, >> that's what it is.
>> And they're so popular. SKX is such a popular model. It influenced whole generation of watch owners. We're not talking about, you know, few years of production. We're talking about 23 years.
>> Yeah. Uh >> there's not there's really popular >> that >> in in on in on Phil in Philippines for example all you have to say is a black boy and everyone knows you're talking about a Seikko SKX 200 m diver.
>> Yeah 007 specifically >> crazy.
>> You're not referring to your Omega James Bond or your not black dial or or your Submariner. They don't care about that stuff much.
>> They love their Seikko. And yeah, >> again photo of of uh SKX007 on most remote island in Pacific.
>> Yeah, take that in account. So yeah, Black Boy Black Boy is here to stay. I I think they will never go out of fashion.
>> Yeah, I would agree.
>> All right. My boutique experience for that reason is uh >> seven out of 10. Seven out of 10. There really aren't many other products like it, you know, like you got the iPhone, you know, everyone has some form of Apple product. It's known globally sort of thing, but um you know, for that one, it's it's absolutely insane. And just we I wanted to touch on because we were talking about it before. Uh SI >> Oh yeah, we must cover this at least for two minutes because we only have like 10 seconds now.
>> Yeah. While while Gemma is doing all the maths. Um they make so they make >> what what is SI?
>> So what is it? Seiko >> industry >> industry instrumentation.
>> Yeah. Seiko instruments >> sorry >> inc.
>> Yeah. Seiko instruments incorporated. Um they make uh you know a bunch of things for Seikko as in for the watchmaking division. They also make machines. So grinding machines. They make you know parts for machines like >> collets. We we talk about uh citizen making watchmaking machines.
>> Yeah.
>> Seikko makes grinding machines for example the CNN >> machines which are not just for watchmaking industry.
>> Yeah.
>> But for other industries as well because they're so good at making grinders for small components. They now make machines and sell them.
>> Yeah. Which is interesting. You mentioned Citizen. So that video you had with Josh the $1 million screw. We have a citizen machine and they are made by citizen like the watch company but just you know a separate sort of uh sister company. Um Japan has seems to have uh a few brands that are like making machines and other products as well as watches whereas Switzerland not. So there are a lot of Swiss machines obviously and they're fantastic quality but there's very few like Rolex doesn't make machines that you can go and buy you know to make something else or amigga or whatever but Japan for some reason does um but so at the moment and the reason I'm talking about them is currently when was what was the date 26th of >> two weeks ago less than two weeks ago there was a May released document >> yeah they're now mass- prodducing the smallest quartz oscillator ever It's their invention. It's their product.
>> Yeah. So, this isn't necessarily for watches, but you best believe it's going to go into their watches.
>> It goes in all sorts of things. It goes into watches because it's a six uh 32 kHz oscillator.
>> But this is for any computer, any really anything that >> any device that needs time reference.
>> Yeah. So, >> size 1 mil by8 mil by.3 thick.
>> That's crazy. tiny little chip with a crystal quartz oscillator inside. So when the current goes through it oscillates and then you've got the you know the rest of the computer to understand that. And >> we are not talking about something happened 5 years ago.
>> Press released for the smallest tuning fork two weeks ago.
>> Yeah, they are still >> May 2026.
>> They're top of the indust >> and we're June one today.
>> You know Seiko is the top of the industry in things that Seikko doesn't even have a hand in.
>> Yeah. What about uh what about other other specialties that Seikko is involved directly in?
>> So magnets.
>> Magnets. So the near like rare earth magnets, neodymium magnets, stuff like that. Um bearings. They also make >> um collets for their machines that they make, grinding machines, but also you know standard collets for other things.
>> Spindles.
>> Yeah.
>> High frequency spindle. What What is a spindle? We Josh will talk about spindle. You know, a spindle on our our uh >> micro HD.
>> Micro HD is >> more than $100,000. That's a spindle.
>> That's your your Yeah.
>> It's not big. It's only like this big.
>> Yeah. Uh Seikko makes spindles for other industries. Go to their website, SI, and have a look. What else? Yeah. So, the the micro ball bearings. Yeah.
>> Yeah. Micro ball. They make their own batteries. They make their own lubricants. They make their own seals.
So, this is Seiko really. If you look at the global watch population of manufacturers, I think Seikko is the only actual true fully integrated, they make 100% of every single thing. Maybe not for every single watch, but if they want to make a watch that's 100% theirs, all they have to do is send a few emails to their, you know, various departments.
>> And they do that. They actually do that.
>> Yeah, >> it's crazy. Who else in Switzerland comes up with something in within watch industry and then makes that available to other industries? They they don't understand that concept. Concept is opposite. Restrict restrict. They even restrict each other. We talk about why we love Celita because Celita >> refuse to be subdued by ETA.
>> Yeah. They got screwed a little bit by >> Seiko. If you are let's say you want to make a watch >> with the smallest u quartz crystal oscillator in the world that crystal oscillator is two weeks uh old release is available to you si says come to us we will sell it to you >> if you want to uh make a buy a get into cylindrical grinding >> seiko say yeah come in we have a machine CNN machine for you Yeah, >> start your own uh you know uh cylindrical grinding uh uh product. Make your make it your own.
>> How many weeks away are we from Rolex releasing the chronogy escapement?
>> That' be nice.
>> Are we are we biased to Seikko? No, we are just technologically excited because even on SI website it says clearly the reason why we able to offer these products and machinery and how know how and uh oh they're leader they're leader now in another field which is your your robotics >> uh you know uh they make tiny components for your robotic arms.
>> I said this is what we do. Uh, who else does that, you know? And they said, "Yeah, the reason why we're good at all these parallel industries is because we started as watch makers."
>> Yeah, it's true. It's funny how many times that's happened in history where some random crazy cool technologies just come out of like, how can we make this watch a little bit better? I I'm restraining myself for from for from using really harsh harsh labels and words to describe something. But please next time if you're a Seikko hater, >> go on SI website, >> get yourself familiar with the products and industries that Seikko is directly involved in pioneering cutting edge and then judge their watch for timekeeping performance. Yeah, >> you'll be you'll be it's crazy. They can do it. But they have, you know, quartz watch, they have solar watch, they have Astron watch, they have mechanical watch. So they don't care. They are happy to >> keep in mind as well. Always keep in mind Seikko are one of I think eight watch makers that have even made a floating tubon with a Rementoire.
I'm pretty sure that's what it is. It's like $800,000 or something. One of eight in existence that have made that. Rolex is not one of them. Omega is not one of them.
>> Oh, maybe they are. I'll double check that. But, um, you know, this is a this is a brand who can literally do whatever it wants. Yeah.
>> It just has to say yes. That's it.
>> And two clowns us. How much are we paid to promote Seyo? Zero.
>> Negative dollars.
>> We're negative. But all this is >> possible and we are willing to talk about Seikko and share excitement and keep you updated with the techn technological advancements >> because Seikko supports independent watch makers you know to release this data sheet uh on a movement. Thank you very much Seiko. We appreciate that for sure.
>> Yeah. And just with that last video, uh I think there was maybe two people who said, "Yeah, Nick, you're biased." But I think they were just joking to try and get me the week off. One of them might have been my account. That's right. Um so most people like, "There's absolutely no bias there. I've got my Seikko for 50 years and it's perfectly fine, you know." So yeah, that we all know it.
Everyone knows it. Okay, so the results Jeemma has added everything up. Uh, Seikko SKX 0079011.
We are 108 from me and 113 from you. So 113 would place the SKX uh place number eight on the list. It just uh above the Moon Watch 18 kat gold.
>> Cool.
>> And it's just below caliber 861.
>> Nice.
>> Uh one one uh place number eight. 113 is it is the score.
>> Uhhuh. Uh one3. Yeah, it's great.
>> Yeah. Okay. Fantastic. Uh I expected a little bit higher rating, but yeah. Uh we'll we'll revisit in 30 years again.
>> No worries.
>> Okay. Once again, oh this is the most important thing. Almost forgot, but we have like five seconds to cover this.
Um, one thing you should never ever ever ever do is to convert your SKX 00793 11 to uh hack manual wine movement which is NH36 upgrade. Ah, >> don't do it because you will devalue your watch and uh it collectors, people who love SKX, they hate conversions.
Should I modify my watch? New bezel, new dial, new hands. Don't do it. Keep it as original as possible, please. Because you're doing a service to to to next generation of collectors. Yeah, sure.
>> Right. So, don't do it. Should should you convert it? Should you upgrade it to hack manual wind NH36?
>> No.
>> No.
>> Just buy an NH36 watch. There are plenty.
>> Yeah. Buy Seikko 5.
>> Yeah.
>> Okay. Happy birthday, SKX. The best uh the best diver watch in my books of all times.
>> Yeah, it has to be.
>> It's the air cooled Porsche of divers watches.
>> Yeah. And if you're a watch enthusiast, not Seikko, but you love other brands, now it's time to go online and get yourself SKX and uh add it to your collection. If you only need one decent diver, that's your decent diver.
Finally, black or blue or orange for you.
>> I like the Pepsi. That's why that's why that's why we bought it for my brother.
Yeah, I like the Pepsi.
>> So, blue boy for me.
>> Yeah.
>> Thanks for tuning in. Uh please do subscribe, keep the channel going and uh we'll see you soon with uh couple more really cool videos. You don't want to miss that. Do subscribe and like and leave your comment. You're more than welcome to leave your comment in.
>> Yeah.
>> Happy horology.
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