G-Shock Bluetooth Solar 2100 Series Watch GA-B2100C-9AER. The Tough Solar charging system effectively converts light from any light source to power the watch, eliminating the need to replace the battery, and Smartphone pairing via Bluetooth® delivers accurate timekeeping. Combining the Carbon Core Guard structure, which protects the module and provides both shock resistance and a compact case, with G SHOCK classic colours first used in the G SHOCK 5600 models enables you to wear the latest, and the greatest G SHOCK has to offer.
