Description
Upgrade the iconic look you love with the octagonal GA-2100 line, which inherits the design concept of the very first G-SHOCK, but now with Smartphone Link and Tough Solar power.
Basic InformationÂ
Case Size (L x W x H):Â 48.5 x 45.4 x 11.9 mm
Weight: 52 g
Case and bezel material: Carbon / Resin
Band: Resin Band
Construction:
- Shock Resistant
- Carbon Core Guard structure
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/App Connectivity Features
Smartphone Link feature: Mobile link (Wireless linking using Bluetooth®)
Apps:Â CASIO WATCHES
App connectivity feature:
- Auto time adjustment
- Easy watch setting
- Approximately 300 world time cities
- Time & place
- Reminder
- Phone finder
Exterior
Glass:Â Mineral Glass
Other:Â Neobrite
Watch Features
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



