Casio G-Shock - GBD100 Series - Black & White CA0430-54M screw-down crown

screw-down crown

Fold Over Clasp with Push Button Case Size 41mm Case Material Gold-Tone Stainless Steel Crystal Sapphire Crystal Water Resistance WR100/10Bar/333ft

And the rotating bi-color bezel is more than just an aesthetic detail

Black Ceramic

Screwdriver 3 mm

Casio G-Shock - GBD100 Series - Black & White CA0430-54M screw-down crownThese are the latest additions to the G SHOCK MOVE lineup of sports watches, now with Bluetooth capabilities that allow continuous connection with a smartphone. These watches can link with the GPS of a smartphone for quicker calibration of distance measurements, enabling more accurate running distance measurements, even during use without a phone connection. Distance measurements used in combination with the stopwatch let you keep track of your