Casio G-Shock GA-B2100-1A1ER
The GA-B2100-1A1ER builds on the iconic octagonal design of the 2100 series while adding modern functionality and enhanced durability. Constructed with a carbon-reinforced resin case and G-Shock’s shock-resistant structure, it is designed to withstand daily wear and harsh conditions.
Powered by Tough Solar technology, the watch converts light into energy to maintain reliable operation, while Bluetooth® smartphone connectivity enables automatic time adjustment and easy settings via the CASIO WATCHES app.
A dual analog-digital display, world time function, stopwatch, countdown timer, alarms, and double LED illumination provide practical everyday functionality, while 200-meter water resistance ensures suitability for swimming and outdoor use.
Model: GA-B2100-1A1ER
Color: Black
Display: Analog / Digital
Case & Bezel: Carbon-reinforced resin
Band: Resin strap
Case Size: 48.5 × 45.4 × 11.9 mm
Water Resistance: 200 meters
Power Supply: Tough Solar (solar powered)
Connectivity: Bluetooth® Smartphone Link
Features: World time, stopwatch, countdown timer, alarms, double LED light
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