CASIO G-SHOCK GM-2100B-3AER

Case size (L× W× H) 49.3 × 44.4 × 11.8 mm

Weight 72 g

Case and bezel material Resin / Stainless steel

Band Resin Band

Construction Shock Resistant

Water resistance 200-meter water resistance

• Glass

  Mineral Glass

• Other

  • 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