CASIO G-SHOCK GA-B2100-3AER

Case size (L× W× H) 48.5 × 45.4 × 11.9 mm

Weight 52 g

Case and bezel material Carbon / Resin

Band Resin Band

Construction Shock Resistant

Water resistance 200-meter water resistance

Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time

Power supply and battery life Tough Solar (Solar powered)

• Smartphone Link feature

  Mobile link (Wireless linking using Bluetooth®)

• Apps

  CASIO WATCHES

• App connectivity feature

  Auto time adjustment
  Easy watch setting
  Approximately 300 world time cities
  Time & place
  Reminder
  Phone finder

• Glass

  Mineral Glass

• Other

  Neobrite

• World time

  World time 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping

• 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, lap/split time

• Timer

  Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute 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

• Energy saving feature

  Power Saving (display goes blank to save power when the watch is left in the dark)

• Battery display/alert

  Battery level indicator

• Run time

  Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

• Accuracy

  Accuracy: ±15 seconds per month (with no mobile link function)

• Other features

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