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The SKX009 that I sell here is the “Made in Japan” version!!

NEW STOCK!! I really have many in stock, and at the moment, not all sapphire options available. Those are incoming around June 1st, so if you want sapphire installed, you can wait one week.

The SKX009 can be called a survivor. It has been in production in this form for over 20 years!! (because of that, this watch is the watch with the most after market parts available, many people are making modified SKX00x’s). Many of these parts look nice, but they bring down the quality of your watch.

receive the watches on a strong rubber (poly urethane) strap from Seiko (needs some wearing to get it to fit comfortable around your wrist). I can replace the rubber strap for a solid steel bracelet from Taikonaut/Miltat/Strapcode: choose “none, replace with added bracelet” when you make the order. I will replace the rubber strap (and will add the original fat push pins to use when you want something different later). When in stock, you can also choose a Seiko-Jubilee bracelet (folded end-links, hollow middle parts, light and comfortable but feels a bit “cheap”)


The option to add a solid steel bracelet appears in the shopping cart after you added the SKX007. (The 22mm SuperNato or Waffle are also straps that I can vouch for). The steel bracelets from Taikonaut/Miltat have screwed links and very solid clasps. IN some cases I can install a Seiko clasp, but keep in mind that the clasps from Taikonaut are stronger.

Installing sapphire is an option that is worth the extra money, it can hardly get scratched and looks clearer (some information about sapphire can be found here).

A new option is to make some modifications to your diver, you find the possibilities in the section “Yourmods“. One example is to change the movement and crown so it will be a “hack and wind” watch.

Difference J and K version
The “made in Japan” versie is more expensive. Mainly because it is harder to get. Some differences (my opinion):

  • 100% Japans: parts and assembly, so a “real” Seiko.
  • Hard to see: sharper grip on the bezel and sharper transition between polished and brushed surface, it seems that the workers that make the made in Japan version put just a little bit more effort in their job.
  • Easy to see: “made in Japan” and “21 jewels” on the dial, “Japan” on the case back. But also inside on the movement.
  • Alignment of the dial ring: this is a well known issue with the SKX007. The dial ring is a loose part, it lies on an edge in the case, and there is a “nipple” that keeps it in place. But the nipple is smaller than the hole it goes into, so the dial ring can move a bit. This issue appears equally in the K and the J version.
    I try not to sell those! I keep them aside and correct the aligment when I install sapphire.
  • The bezel is a part with a function (how long you are submerged). Being exactly at 12 is not its function, and Seiko does not care. The way the watch is made, a complete bezel is pressed on the case) almost prohibits the markings to be at 12: there are too many variables: click ring, indentations on the bottom of the bezel, how the bezel insert is placed in the bezel). If you want a perfectly aligned bezel, the insert must be placed after assembly of the watch, and that will result in a much more expensive watch. I can do that, if you ask for it, but will charge 25 euro for it. I have to remove the bezel, take out the insert, press back the bezel and re-install the insert.
Technically the J and K version are identical! They are both checked by the same Seiko quality standards. The installed PU-strap and Seiko jubilee are also the same.
Bracelets you can choose from after you made a choice. price from
Solid Oyster € 50
Solid Jubilee € 55
Solid Presidential € 67,50
Lumpy € 67,50
Engineer-2 € 72,50
Case heigth: 1,3 cm
Weigth: 140 gram on Seiko Jubilee, 104 gram on rubber
Water resistance: 20 atm
Lug to lug: 4,6 cm
Lug width: 22 mm
Case width: 4,2 cm (bezel is 4 cm)
Band type 3 (Seiko Jubilee)
Movement: 7S26