The Casio G-Shock GA-2100RC-1ADR is a standard battery-powered "CasiOak" model from the Rusty Color (RC) series. It has a black case with sepia/rust-colored accents inspired by weathered iron.
Key specifications
- Model: GA-2100RC-1ADR
- Movement: Quartz analog-digital
- Power: 2 × SR726W batteries (approximately 3-year battery life)
- Bluetooth: ❌ No
- Solar charging: ❌ No
- Water resistance: 200 meters
- Case: Carbon Core Guard (carbon/resin)
- Glass: Mineral glass
- Case size: 48.5 × 45.4 × 11.8 mm
- Weight: 51 g
- Strap: Black resin
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Features:
- World time (48 cities)
- 1/100-second stopwatch
- Countdown timer
- 5 daily alarms
- Double LED light
- Hand shift feature
