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The GA-B2100 is the solar-powered, Bluetooth version of Casio's slim 2100-series G-Shock, the octagonal case that echoes the original 1983 DW-5000. It adds Tough Solar charging and a phone link for automatic time correction and easy alarm and timer setup, while keeping the carbon-core guard case and 200 m water resistance. It suits people who want a light, tough everyday watch with analog hands and a digital display, and it is the upgrade to pick over the battery-only GA-2100 if you want to stop changing cells. Against the metal-bezel GM-2100 it is lighter and less dressy, and against a basic DW-5600 it offers hands plus a digital readout.
In stockShips from Japan · priced in JPY (¥27,200) · duties may applyReturn policy
Owners of the 2100 line praise the slim case, the tough look and the legibility of the analog-digital layout. Those who moved to the solar Bluetooth model value not changing batteries and the automatic time sync. Complaints center on the small digital display and the need for the app to unlock the connected features.
High-quality product from Japan.
