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M20 GMT Diver [42mm]
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The M20 GMT
Built for serious travel and everyday adventure, the M20 GMT is a robust, high-performance tool watch designed to keep you on time, no matter where the journey takes you.
Its unique offset screw-down crown ensures all-day comfort without digging into your wrist, while a 200M water resistance rating gives you the confidence to take it from tarmac to trail to open water.
Powered by a precise Swiss-made Ronda 515.24H quartz movement, the M20 lets you track up to three time zones simultaneously. Use the bold red GMT hand and 24-hour scale to monitor a second zone, and rotate the 24-hour bezel to follow a third. Whether you're crossing continents or closing deals, the M20 keeps your schedule on track.
- Swiss Quartz Movement: Ronda 515.24H GMT
- 42mm case that wears smaller: bold yet balanced on the wrist
- Offset screw-down crown: maximum comfort, no wrist bite
- Bright SuperLuminova Lume: Legibility when you need it
- 200M / 660ft water resistance: built for rugged environments
- Three time zones at a glance: using GMT hand + rotating bezel
- Movement Swiss, Quartz, Ronda 515.24H
- Dial Color Black
- Screw-down crown
- Water Resistance 200 / 660
- SKU:
014AADAFD-AB-B-BF-A-BF-BAMA-D-B
- Case Diameter 42mm
- Case Hight 13mm
- Lug Width 22mm
- Lug-to-Lug 50mm
- Stainless Steel
- Sapphire Only
![M20 GMT Diver [42mm]](http://momentumwatch.com/cdn/shop/products/m20gmtdiveroct.webp?v=1666222831&width=1096)

Slim Case Design
While officially the M20 comes in at 42mm in diameter, the case shape makes the watch feel much smaller. Don't let its good looks deceive you: the M20 is durable and adventure-ready, with an off-set screw-down crown that won't bite your wrist and 200M-rating.