Simplify your life with the popular analog-digital combination GMAS2100 in your choice of smoky, monochromatic colors.

The same tough construction of the original GA2100, but in an even slimmer, more compact design. The flat watch face and simple bar indexes project a minimalist look and feel that shows you know right where you’re going. A casual, comfortable G-SHOCK in stylish solid colors.

Basic Information

• Case size (L× W× H)

  46.2 × 42.9 × 11.2 mm

• Weight

  41 g

• Case and bezel material

  Carbon / Resin　

• Band

  Resin Band

• Construction

  Shock Resistant
  Carbon Core Guard structure

• Water resistance

  200-meter water resistance

• Power supply and battery life

  Approx. battery life: 3 years on SR726W X 2

Exterior

• Glass

  Mineral Glass

• Compatible band size

  140 to 205 mm

• Other

  Neobrite

Watch Features

• World time

  World time
  31 time zones (48 cities coordinated universal time), daylight saving on/off

• Stopwatch

  1/100-second stopwatch
  Measuring capacity:
  00'00''00~59'59''99 (for the first 60 minutes)
  1:00'00~23:59'59 (after 60 minutes)
  Measuring unit:
  1/100 second (for the first 60 minutes)
  1 second (after 60 minutes)
  Measuring modes: Elapsed time, split time, 1st-2nd place times

• Timer

  Countdown timer
  Measuring unit: 1 second
  Countdown range: 24 hours
  Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

• Alarm/hourly time signal

  5 daily alarms
  Hourly time signal

• Light

  Double LED light
  LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

• Light color

  LED:White

• Calendar

  Full auto-calendar (to year 2099)

• Mute feature

  Button operation tone on/off

• Accuracy

  Accuracy: ±15 seconds per month

• Other features

  12/24-hour format
  Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
  Regular timekeeping:
  Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
  Digital: Hour, minute, second, pm, month, date