Build your own stunning 40mm diver watch with the EONIQ x DIY WATCH CLUB Watchmaking Kit. We've included everything you need—watch components, essential watchmaking tools, and a helpful video guide—to guide you through each assembly step. Express your creativity by choosing from various bezel inserts, strap options, and custom dial designs to make your watch uniquely yours. Whether you're new to watchmaking or expanding your skills, this kit makes the process approachable and rewarding. Remember, this kit contains components for assembly only; pre-made watches are not available.
The DIY kit includes:
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Complete components of one 40mm Diver series mechanical watch
Watch Case: 40mm DWC Vintage Silver Diver Case
- Material: Stainless Steel
- Crystal: Acrylite 8N specialty vintage high-dome acrylic
- Case size: 40mm (40mm bezel, 38mm body)
- Lug size: 20mm
- Lug-to-lug: 47.5mm
- Thickness: 13.3mm (including high dome crystal)
- Water-resistant: 10ATM (assuming correct assembly)
Case Back: Stainless steel Exhibition case back (Hardened Mineral Crystal) Bezel:
40mm DWC Classic Bezel (Stainless Steel) Bezel Function: Unidirectional 60-click Bezel Insert 37.6mm DWC Aluminum Diver Bezel Insert (Pick only 1 option from the 3 provided)
- Black
- Blue
- Red
- Green
Watch dial: 28.5mm Customized Black Dial with BGW9 Superlume
Hands: Silver Diver Hands with BGW9 Superlume (TMI NH Series) Movement: TMI NH35 movement by Seiko Strap: Pick only 1 option from the 4 provided
- 20mm DWC FKM Rubber Band - Black
- 20mm EONIQ Vintage Strap - Brown
- 20mm EONIQ Sarto Strap - Umber
- 20mm DWC Stainless Steel Bracelet
- Watchmaking tool:
- DWC Essential tools for this experience
- Complete video instructions card (English ONLY)
Time required:120~ mins (Simply enjoy the watchmaking process at your own pace)
Mod potential:★★★★ (With great potential for modding due to Seiko Mod compatibility. Details below)
Difficulty Level: ★★★★ (without the new second hand installation tool)
- Key challenge: second hand installation
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We made the hardest step much easier!
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.
SEIKO MOD COMPATIBILITY:
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
MODDING SUGGESTIONS

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