Casio G-Shock Memory Capacity the timepiece is ISO compliant

the timepiece is ISO compliant and water resistant up to 200 metres

Powered by an automatic movement with a 42-hour power reserve and offering up to 50 meters of water resistance

A rotating slide-rule bezel alongside a modern set of pushers and a matching crown round out the sporty styling of the case

including registers allowing timing to 1/20 of a second

and the side button at the 8 o’clock position is laser engraved with the hachi symbol

Casio G-Shock Memory Capacity the timepiece is ISO compliantSmart and stylish, sleek and sophisticated a GBM 2100 with bold metal bezel that delivers Smartphone Link and Tough Solar charging system, all in the same compact size. Key resin components used in the case and band are made with environmentally responsible bio based resin. Choose your favorite color combination of vapor deposition finishes the GBM 2100A 2B with blue dial and silvery indexes, the GBM 2100A 4B with burgundy dial and silvery indexes, or