42mm White Dial GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
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)
Essential Watchmaking Tools Set - diy watch club
Essential Watchmaking Tools Set - diy watch club
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)

42mm White Dial "Pepsi" GMT 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):

Introducing the iconic "Pepsi" GMT, boasting a Seiko NH34 mechanical movement. What sets this piece apart? It sports a distinctive silver-white dial paired with a NATO strap for a unique twist.

The bezel insert is crafted as a two-piece aluminum-stainless steel hybrid, lending a special touch to this timepiece. By gently bleaching the insert and adding a top hat upgrade, you'll transform this Pepsi mod into a stunning vintage Pepsi GMT.

Equipped with a Seiko automatic GMT movement, sapphire crystal, a vibrant red GMT hand, and the classic Pepsi red-blue 24hr bezel insert, this is the ultimate Pepsi GMT Diver you've been searching for.

The DIY kit includes:

  • Complete components of one 42mm GMT Diver series mechanical watch 

    Watch Case:

    42mm DWC Diver Case

    • Material: SS316L Stainless Steel
    • Crystal: Sapphire double dome with Anti-Reflective coating
    • Case size: 42mm (42mm bezel, 41mm body)
    • Lug size: 22mm
    • Lug-to-lug: 47.5mm
    • Thickness: ~14mm
    • Water-resistant: 20ATM (assuming correct assembly)
    • Crown: Screw-down
    Case Back: Stainless steel Exhibition case back (Hardened Mineral Crystal)
    Chapter Ring: Brushed silver chapter ring with black marking (TMI NH Series)
    42mm DWC Classic Bezel (Stainless Steel)
    Bezel function: unidirectional 120-click / bi-directional 24-click (updated 2023 Q4)
    Bezel Insert:
    39.4mm Steel-Aluminum Pepsi GMT Bezel Insert with Japan C3 SuperLume dot (Red/Blue - Type A)
    Watch dial: 28.5mm DWC D03 GMT Sandwich Dial - Fine silver coated edition with Japan BGW9 Superlume 
    Hands: PVD 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: 22mm DWC Classic NATO Strap - Navy x Black with Red centerline
  • Watchmaking tool options - GMT hand installation tool is included in every GMT set:
    • DWC Essential tools for this experience
    • 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:★ (With huge potential for modding due to Seiko Mod compatibility. Details below)

Difficulty Level: (without the new second hand installation tool)

  • Hand installation will be slightly more challenging than regular 3-hand watch installation
  • Key challenge: second hand installation

Difficulty Level:  (With the new second hand installation tool. Details below)


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