The Casio G-Shock GA-B2100-2ADR is one of the best-value models in the 2100 Casio. It combines the classic octagonal design with Tough Solar charging and Bluetooth smartphone connectivity, all in a striking blue color.
Key specifications
- Model: GA-B2100-2ADR
- Color: Blue case and blue resin band
- Power: Tough Solar (solar-powered)
- Bluetooth: Yes (pairs with the CASIO WATCHES app)
- Water resistance: 200 meters
- Case size: 48.5 × 45.4 × 11.9 mm
- Weight: 52 g
- Construction: Carbon Core Guard
- Glass: Mineral glass
Features
- Automatic time synchronization via Bluetooth
- World Time (300+ cities through the app)
- 1/100-second stopwatch
- Countdown timer
- Five daily alarms
- Hand shift function
- Super Illuminator double LED light
- Phone finder
- Battery level indicator
- Power-saving mode
