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DIY WATCH CLUB - Pepsi gmt diver watchmaking kit
DIY WATCH CLUB - GMT diver with seiko NH34 movement
DIY Watch Club Seiko GMT Watch Hand Install Setting Tools for Seiko GMT movements (TMI NH34, Seiko 4R34)
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DIY WATCH CLUB - watchmaking kit with tools
DY WATCH CLUB - Watchmaking tool set (Pro tools box set in wooden box)
DY WATCH CLUB - Watchmaking tool set (Pro tools box set in wooden box)
DY WATCH CLUB - Watchmaking tool set (Pro tools box set in wooden box)

DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03

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Pepsi GMT Kit | NH34 GMT Dive Watch with Seiko GMT movement and Aluminum-steel hybrid Pepsi GMT Bezel (Red/Blue):

Finally, it's here! The legendary "Pepsi" Diver with an automatic GMT movement. With the introduction of Seiko NH34 movement (a.k.a. Seiko 4R34), this beautiful Red-Blue GMT Mod is finally possible for the Seiko Mod community.

The bezel insert is specifically designed to be a two-piece aluminum-stainless steel hybrid. Slightly bleaching the bezel insert, upgrading this Pepsi mod with a top hat, then you get a beautiful vintage Pepsi GMT.

A Seiko automatic GMT movement, sapphire crystal, red GMT hand, Pepsi red-blue 24hr bezel insert... Look no further for a Pepsi GMT Diver :)

The DIY kit includes:

  • Complete components of one 41mm GMT Diver series mechanical watch 

    Watch Case: DWC Diver series 41mm 316L stainless steel case (Sapphire Dome / Top Hat Double Dome Sapphire Crystal Available) - 20ATM
    Case Back: Exhibition case back (Mineral Crystal)
    Chapter Ring: CR-01-NH Black chapter ring with white marking (TMI NH Series)
    Movement Holder: MH-DI-NH (TMI NH Series)
    Silver Classic thin profile bezel
    Click Spring: Unidirectional 120-click
    Bezel Insert:
    DWC Aluminum-Steel hybrid Pepsi GMT Bezel (Red and Blue - Type A)
    Watch Crown:
    CN-DI-01 Screw-down dive watch crown (Stem pre-assembled for TMI NH Series)
    Watch dial: DWC D03 GMT Sandwich Dial 
    (Japan BGW9 Superlume)
    Hands: Silver Diver Hands with Japan BGW9 Superlume (TMI NH Series) 
    Red GMT hand (24 hours hand) with C2 lume
    Movement: TMI NH34 GMT movement by Seiko
    Strap: DWC Black FKM Rubber Strap 22mm
  • Watchmaking tool options:
    • DWC tools with Brown PU Bag 
    • DWC professional watchmaker tools with Box upgrade
    • No tools - for those who already have watch repair tools. Please make sure you have hand removal tools and hand-setting tools (usually not included in watch repair kits)
  • Complete video instructions  (English, Cantonese & Mandarin)

Time required:120~ mins (Simply enjoy the watchmaking process at your own pace)

Mod potential:★★★

Challenging Level : ★★★★★ (Hand installation will be more challenging than regular 3-hand watch installation)


DIY Watch Club - Watchmaking tool - Profession Tools box setThis 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: What Makes a Good Watchmaking Tool


This dive watch is partially compatible with Seiko Mods. For detail please check out our blog post here:


DIY WATCH CLUB - Custom Rotor for seiko NH35, NH34

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