Reviews coming soon
The Casio GA-B2100MF-1A features a highly durable bio-based resin case and strap. Powered by Tough Solar and Caliber 5689, this watch includes a black dial with an analog-digital display. It boasts advanced features such as shock resistance, carbon core guard structure, mobile link, and auto time adjustment for approximately 300 world time cities. Additional functionalities include a 1/100-second stopwatch, countdown timer, 5 daily alarms, and phone finder. With Neobrite, double LED light, and 200m water resistance, this watch is built for both performance and sustainability.
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.
Never needs a battery change; eco-friendly and reliable power source.
Connects to the CASIO WATCHES smartphone app. Automatic time adjustment (worldwide), easy watch setting, World Time setup, and Phone Finder function.
Carbon Core Guard structure. Excellent shock resistance while maintaining a slim and light profile.
Double LED light (Super Illuminator) for the face and digital display.
38 time zones (38 cities + coordinated universal time) with DST switching.
Learn more >