The G-Shock GA-B2100-1A is a compact analog-digital watch with a shock-resistant Carbon Core Guard structure. It has a carbon and resin case and bezel, a resin band and mineral glass. It is water resistant to 200 meters.
It runs on Tough Solar power and connects to a smartphone over Bluetooth®, which sets the time automatically. The CASIO WATCHES app also provides easy watch setting, a world time city selection of approximately 300 cities, a reminder and a phone finder.
Two LED lights illuminate the face and the digital display in white. The hands can shift out of the way for an unobstructed view of the digital display. The watch also has world time, a stopwatch, a countdown timer, five daily alarms and a full auto-calendar.
- Case size
- 48.5 × 45.4 × 11.9 mm (L×W×H)
- Weight
- 52 g
- Case and bezel
- Carbon / Resin
- Band
- Resin
- Glass
- Mineral glass
- Construction
- Shock resistant, Carbon Core Guard structure
- Water resistance
- 200 meters
- Power
- Tough Solar (solar powered)
- Battery life
- Approx. 7 months on a charged rechargeable battery with normal use and no light exposure; approx. 18 months stored in total darkness with power save on after a full charge
- Accuracy
- ±15 seconds per month (with no mobile link function)
- Connectivity
- Bluetooth®; auto time adjustment
- App
- CASIO WATCHES: auto time adjustment, easy watch setting, approx. 300 world time cities, time & place, reminder, phone finder