Seiko Black Bay mod

Something I’m asked to do occasionally is to modify a watch or “mod” it as this is known. The donor watches are usually Seikos as there is a huge amount of custom parts available for many different models. The watch featured here is a Seiko SXK009 and the parts to be fitted will turn it into a Tudor Black Bay homage. The parts needed to accomplish this are a snowflake handset, a dial, an insert, a polished rehaut or chapter ring and a sapphire crystal was also fitted although not strictly necessary.

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The bezel was popped off and the insert was removed. This leaves a load of sticky adhesive that has to be cleaned off.

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The movement is removed and the hands lined up ready for removal.

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The dial and handset are removed revealing the day/date wheels that will never be seen again!

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The crystal is removed….

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….and the chapter ring is also taken out ready for the polished aluminium one to be fitted.

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The chapter ring, crystal, dial and handset are fitted and the movement recased. Make sure you grease the seals before closing up!

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The bezel insert can now be fitted and lined up correctly with the dial.

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And there she is, jobs a good’un.

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The last thing to do is a pressure test to see if it’s water resistant, in the chamber and up to pressure in this shot.

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Wait 15 minutes then submerge.

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Release the pressure and no streams of bubbles so all’s good.

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And the end result is a very nice looking functional homage to the Black Bay.

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4 comments

  1. Seiko pieces are my favorite choice when it comes to diver’s watches.Their craftsmanship is so admirable, Seiko is among the few brands that can offer a high-quality watch at an affordable price.

    Like

  2. Cool mod.
    I have an SKX031and would like to mod the day/date from stock blk/on white to white/on black. Are there white/on blk aft/mrkt day/date wheels available?

    Like

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