Casio G-Shock GA-B2100-1A Black Resin Band Men Sports Watch

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

• Weight: 52 g

• Case and bezel material: Case / 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: 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: ±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