Casio G-Shock - GBD100 Series - Black & White CA0430-54M Watch Size 42mm Watch Thickness

Watch Size 42mm Watch Thickness 13mm

Water resistant: 10 ATM - 330 feet

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

screw-down crown

Screwdriver 3 mm

Casio G-Shock - GBD100 Series - Black & White CA0430-54M Watch Size 42mm Watch ThicknessThese 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