DIY Watchmaking Kit | D03 Expedition Watch with Blue Sandwich Dial
Last batch alert: This is the last batch of our Expedition kits. We're working hard to bring the series back, but if you like it, please grab one now before it's gone.
Our perfect DIY sports watch kit. At 38mm, the Expedition is a great size for a sports watch: comfortable on most wrists, and it looks just as good with a suit as it does out in the woods.
The DIY kit includes:
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Complete components for one 38mm Expedition series mechanical watch
Watch Case: DWC Expedition series 38mm 316L stainless steel case (Sapphire Crystal) - 10ATM Case Back: Exhibition case back (Mineral Crystal) Movement Holder: Movement holder for TMI NH Series Watch Crown: Standard Expedition watch crown with logo (stem pre-assembled for TMI NH Series) Watch Dial: DWC D03 Blue Sandwich Dial with Date Window (TMI NH Series), BGW9 Japan Superlume (white body, blue glow) Chapter Ring: Blue chapter ring with White & Orange Markers Hands: Diver hands with BGW9 Japan Superlume (white body, blue glow) (TMI NH Series) + Orange second hand Movement: TMI NH35 Strap: 20mm DWC CTS Deployant FKM Rubber Strap - Black (cut-to-size, push-button butterfly clasp, quick-release spring bars) Watchmaking tool options:
- Basic Tool Set: the essential tools for this experience
- DWC Pro Tool Set: professional watchmaker tools with box upgrade
- No tools (components only): for those who already have watch repair tools. Please make sure you have hand removal and hand-setting tools (usually not included in watch repair kits).
Complete video instructions (English and Mandarin)
Time required: around 120 mins (simply enjoy the watchmaking process at your own pace)
Mod potential: ★★★★ (movement, dial, hands and chapter ring are compatible with DWC diver watches)
Difficulty level: ★★★★ (without the second hand installation tool)
- Key challenge: second hand installation
Difficulty level: ★★★ (with our second hand installation tool. Details below)
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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.
WATCH MODDING:
This Expedition watch is partially compatible with other watch mods. For details, please check out our blog post here:
MODDING SUGGESTIONS:

An original TMI rotor with Côtes de Genève finish, customized by us. The perfect icing on the cake for a watch you assembled yourself or a mod you're proud of. Best paired with an exhibition case back. Design your custom rotor