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You will notice, there is only the option “install the ordered sapphire”.

I did this because I am at the bottom of my stock, and the SKX007’s that I received in the past were mixed: Most were OK, but many were with mis-aligned chapter ring. When I had enough stock, it was simple: put the bad ones aside and wait for sapphire-orders and fix the dial ring-issue while installing sapphire. But now, all stock that is left, are the ones that I initially put aside for the orders with sapphire. So from now, every SKX007 needs to be taken apart to fix the dial ring issue, so I am selling them with sapphire.

The SKX007 that I sell here is the “Made in Japan” version!!

I ship them with aligned dial rings, and I receive about 50% with aligned dial rings so sometimes I have to wait a few shipments before I can fulfil an order (the mis-aligned ones are put aside and the dial ring is fixed when I install sapphire).

  • seamless double domed with blue and clear AR coating
  • flat with large beveled edge like original glass, with blue, clear, green or red AR coating.
  • flat and double domed STEPPED sapphire, made especially to be combined with the sloped bezel inserts, also with blue and clear AR coating.

The SKX007 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 SKX007’s). Many of these parts look nice, but they bring down the quality of your watch. The parts I have developed are matched to Seiko standards, especially the lume strength can compete.

I 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). I also fixate the dial ring and regulate the movement when I install sapphire. backside of this is that it can take around 3 weeks becuase it is so busy.
The alignment of the dial ring is something many people are making jokes of (or complaining about)… The dial ring is a loose part inside the watch. It has a small tip that falls into a hole in the case, but that hole is larger than the tip. The dial ring can move a little because of this, making the alignment at 12 not 100% certain. I select the best ones before I ship them, but they CAN MOVE in transit. When they are not aligned, a little tap on the side will often put it back in place. When I install sapphire, I fixate the dial ring. This way of handling the dial ring issue causes me to put aside around 60% of the incoming SKX007’s, I am not sending out watches with dial rings that are way off (see the watch I used for this product-page, it is off to the right). So it can sometimes take a few shipments from Seiko before I can serve an order because there is a waiting list due to the high demand.

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