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Thin, tough, and stylish
G-Shock
GMAS2100
Case Color
Email Me When Available
Item no longer available
Add To Cart
$99.00
Finish selections for price & availability

Free shipping on orders over $100 in the US
G-Shock
GMAS2100
Thin, tough, and stylish
Case Color
Email Me When Available
Item no longer available
Add To Cart
$99.00
Finish selections for price & availability

Free shipping on orders over $100 in the US

G-SHOCK’s GMAS2100 packs all the hard-wearing functionality you expect from a G-SHOCK into an even slimmer case that’s available in several bright and cheerful colors. These models are based on the highly successful GA2100, but trimmed down for comfort. The GMAS2100 is ideal for those with smaller wrists, thanks to the compact dimensions.

Shaving a few millimeters off in width and lug-to-lug compared to the original model, the GMAS2100s measure in at a compact 42.9mm x 46.2mm. While the original GA2100s were thin at 11.8mm, this one is even thinner at 11.2mm. This is achievable thanks to G-SHOCK’s new “Carbon Core Guard” technology that takes advantage of the inherently durable characteristics of carbon fiber. The resin case and integrated band are lightweight and comfortable for a full day of wear. 

The GMAS2100 features a familiar analog/digital display that blends traditional time telling via a handset with several handy digital features on the small LCD screen. At 9 o’clock, an analog dial points to the day of the week, while between 3 and 6, an angular screen handles the digital functions. A world time mode, stopwatch, countdown timer, and several programmable alarms are sure to come in handy on a regular basis. The screen is backlit via an LED and the hands are treated with lume so you can tell the time even in dark conditions. 

G-SHOCK Watches ship to the USA only.

  • Case: Carbon + Resin
  • Dial: Ana-digi
  • Module: 5611
  • Features: World time, 1/100 sec Stopwatch, Countdown Timer, 5 Daily Alarms, Full-Auto Calendar (to 2099)
  • Lens: Mineral
  • Strap: Resin
  • Water Res.: 200M
  • Dimensions: 42.9 x 46.2mm
  • Thickness: 11.2mm
  • Weight: 41g
  • SKU: GMAS2100-1A
  • Warranty: One Year

G-SHOCK Watches ship to the USA only.

  • Case: Carbon + Resin
  • Dial: Ana-digi
  • Module: 5611
  • Features: World time, 1/100 sec Stopwatch, Countdown Timer, 5 Daily Alarms, Full-Auto Calendar (to 2099)
  • Lens: Mineral
  • Strap: Resin
  • Water Res.: 200M
  • Dimensions: 42.9 x 46.2mm
  • Thickness: 11.2mm
  • Weight: 41g
  • SKU: GMAS2100-7A
  • Warranty: One Year

G-SHOCK Watches ship to the USA only.

  • Case: Carbon + Resin
  • Dial: Ana-digi
  • Module: 5611
  • Features: World time, 1/100 sec Stopwatch, Countdown Timer, 5 Daily Alarms, Full-Auto Calendar (to 2099)
  • Lens: Mineral
  • Strap: Resin
  • Water Res.: 200M
  • Dimensions: 42.9 x 46.2mm
  • Thickness: 11.2mm
  • Weight: 41g
  • SKU: GMAS2100-4A
  • Warranty: One Year
About G-Shock

G-SHOCK was born from a simple idea — a watch should not break when dropped. Back in 1983, the original square-shaped DW-5000C was created after Kikuo Ibe witnessed a child bouncing a rubber ball. It struck him that a watch floating within a rubber case would be impervious to shocks. After a bunch of testing and design with toughness in mind, the brand was born. Nearly 35 years and hundreds of models later, G-SHOCK is still best known for being some of the toughest, hard-wearing watches that money can buy.