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Collection: Learn about watches: GMT

  • Pepsi GMT with another GMT with white dial
  • What does GMT stand for?

    GMT stands for “Greenwich Mean Time”, and before the advent of the now-accepted UTC (Coordinated Universal Time), it was the de facto time standard worldwide. It indicates a “neutral time” against which all time zones can be derived.

    What is a GMT watch?

    A GMT watch has the ability to track this neutral time, and thus enables you to keep track of multiple time zones. It was necessitated by the boom in international flights in the 1950s—the first GMT watch, Rolex GMT-Master, was commissioned by Pan Am for their aircrew. For this reason, GMT watches are a favorite among frequent travelers.

  • How does a GMT watch work?

    The secret of a GMT watch is its 24-hour hand, along with some forms of 24-hour indication, such as a 24-hour bezel. Whether the watch is a traveler’s GMT or a caller’s GMT, the GMT hand moves in tandem with the hour hand, only twice as slow. Thus when it is set to a different time zone, it indicates a foreign time of your choice.

  • GMT Coke

How to use a GMT watch to track multiple time zones?

There are many ways to use a GMT watch to track multiple time zones. The most common method is to set the GMT hand to GMT 0 time, and then turn the bezel to track a new time zone. But there are many more ways to maximize the value of your GMT watch, so we made a video guide on it below.

17 products
  • [Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and PVD steel Bezel | Seiko Automatic GMT movement | DWC-D03
    [Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and PVD steel Bezel | Seiko Automatic GMT movement | DWC-D03
    Regular price
    $670.00
    Sale price
    $469.00
  • Best DIY watch gift for BRONZE watch lovers - A GMT Bronze Diver
    Best DIY watch gift for BRONZE watch lovers - A GMT Bronze Diver
    Regular price
    $700.00
    Sale price
    $630.00
  • A GMT Dive Watch set for those who loves a classic GMT
    A GMT Dive Watch set for those who loves a classic GMT
    Regular price
    $575.00
    Sale price
    $435.00
  • DIY Watchmaking Kit | NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03RIVAL
    BATMAN GMT diver Blue and Black ceramic bezel with Seiko GMT automatic movement
    Regular price
    $490.00
    Sale price
    $370.00
  • DIY Watchmaking Kit | NH34 GMT Dive Watch | Seiko GMT movement | Ceramic Coke GMT Bezel | DWC-D03
    Coke GMT Dive watch with ceramic coke (red/black) bezel and Seiko GMT movement (TMI NH34)
    Regular price
    $490.00
    Sale price
    $370.00
  • [LIMITED] DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
    DIY Watchmaking Kit | NH34 GMT ALL BLACK BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03
    Regular price
    $575.00
    Sale price
    $490.00
  • [LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
    DIY Watchmaking Kit | NH34 GMT ALL BLACK COKE Dive Watch | Automatic GMT Red and Black | Ceramic COKE GMT | DWC-D03
    Regular price
    $575.00
    Sale price
    $490.00
  • Bronze GMT Dive Watch kit | Seiko Automatic GMT movement | 24hr PVD Bezel (Stainless Steel) with BGW9 | DWC-D03
    Bronze GMT Dive Watch kit | Seiko Automatic GMT movement | 24hr PVD Bezel (Stainless Steel) with BGW9 | DWC-D03
    Regular price
    $615.00
    Sale price
    $555.00
  • DIY Watch Kit | All Black GMT Diver | Seiko NH34 Automatic GMT | 24hr Stainless Steel PVD Bezel | DWC-D03
    DIY WATCH CLUB - All Black GMT Diver watchmaking kit
    Regular price
    $445.00
    Sale price
    $335.00
  • DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
    DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
    Regular price
    $460.00
    Sale price
    $345.00
  • DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
    DIY WATCH CLUB WATCHMAKING KIT - NH34 GMT Dive Watch with Seiko GMT movement and Aluminum-steel hybrid Pepsi GMT Bezel (Red/Blue)
    Regular price
    $460.00
    Sale price
    $345.00
  • DIY Watch Kit | Silver GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Silver Bezel (Stainless Steel) | DWC-D03
    DIY WATCH CLUB - Silver and green GMT diver watchmaking kit
    Regular price
    Sold out
    Sale price
    $320.00
  • DIY Watch Kit | Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
    DIY WATCH CLUB - Blue GMT Diver with orange hand
    Regular price
    $425.00
    Sale price
    $320.00
  • NEW ARRIVAL - TMI NH34 / NH34A Movement by Seiko - Compatible with 4R34 movement
    Seiko NH34A (aka 4R34) GMT movement with plastic holder. An automatic GMT movement by TMI that is compatible with Seiko 5 Sports GMT movement
    Regular price
    $95.00
    Sale price
    $95.00
  • NEW ARRIVAL - DIY Watch Club Seiko GMT Watch Hand Install Setting Tools for Seiko GMT movements (TMI NH34, Seiko 4R34)
    Seiko GMT watch hand setting tool
    Regular price
    $15.00
    Sale price
    $15.00
  • NEW ARRIVAL - GMT Diver Orange 24 Hr watch hand - TMI NH34 (Pack of 2)
    NEW ARRIVAL - GMT Diver Orange 24 Hr watch hand - TMI NH34 (Pack of 2)
    Regular price
    Sold out
    Sale price
    $10.00
  • NEW ARRIVAL - GMT Diver Red 24 Hr watch hand - TMI NH34 (Pack of 2)
    NEW ARRIVAL - GMT Diver Red 24 Hr watch hand - TMI NH34 (Pack of 2)
    Regular price
    Sold out
    Sale price
    $10.00