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With the introduction of Seiko NH34 movement (a.k.a. Seiko 4R34), an affordable GMT Mod is finally possible for the Seiko Mod community.
The stainless steel blue 24-hr bezel insert, black sandwiched BGW9 dial, and an orange GMT hand combine to make a practical dive watch with just the right amount of color accents.
The DIY kit includes:
Complete components of one 42mm GMT Diver series mechanical watch
| Watch Case: |
42mm DWC Diver Case
|
| Case Back: | Stainless steel Exhibition case back (Hardened Mineral Crystal) |
| Chapter Ring: | CR-01-NH 24 hours GMT Chapter ring for DIY Watch Club Divers and Expedition Watch - Black with white Markers (TMI NH Series) |
| Bezel: |
42mm DWC Classic Bezel (Stainless Steel) |
| Bezel function: | unidirectional 120-click / bi-directional 24-click (updated 2023 Q4) |
| Bezel Insert: |
39.4mm Stainless Steel GMT Bezel Insert with Japan BGW9 SuperLume markers (Blue - Type B) |
| Watch dial: | 28.5mm DWC D03 GMT Sandwich Dial (Japan BGW9 Superlume) |
| Hands: | Silver Diver Hands with Japan BGW9 Superlume (TMI NH Series) Orange GMT hand (24 hours hand) with C2 lume |
| Movement: | TMI NH34 GMT movement by Seiko |
| Strap: | 22mm DWC Nylon Strap (Black) |
Time required:120~ mins (Simply enjoy the watchmaking process at your own pace)
Mod potential:★★★★★ (With huge potential for modding due to Seiko Mod compatibility. Details below)
Difficulty Level: ★★★★ (without the new second hand installation tool)
Difficulty Level: ★★★ (With the new second hand installation tool. Details below)
We know. Installing that second hand for the first time can seem a little daunting. That's why we spent a year to invent this second hand installation tool for everyone.

This is our Pro Tool Kit, a DWC in-house design from top to bottom. This is a lot more than a mere step up from standard Amazon watch-making tools; it is a collection of tools we designed and crafted to give you the best watchmaking experience possible.
And in watchmaking, just like many other crafts, the quality of the tools does affect the quality of the outcome.
Learn more about it here: DIY Watch Club Pro Watchmaking Tools Set
This dive watch is partially compatible with Seiko Mods. For detail please check out our blog post here:
https://diywatch.club/en/blog/parts-compatibility-for-seiko-mod

A Seiko made original rotor with Côtes de Genève finish, customized by us. A perfect icing on the cake for the watch you assembled yourself or a mod you are proud of. Best paired with an exhibition case back. Design your custom rotor
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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