Casio G-Shock Men's Watch GBD-100SM-1 Digital G-Squad GBD-100 Series Sports Watch Shock Resistant Mobile link (Wireless linking using Bluetooth®) EDIFICE fumble-free operation while on the

fumble-free operation while on the move

Carbon Core Guard Structure

battery operating time on after full charge:

With water resistance up to 50 meters

and an LED light allows easy reading even in the dark

Casio G-Shock Men's Watch GBD-100SM-1 Digital G-Squad GBD-100 Series Sports Watch Shock Resistant Mobile link (Wireless linking using Bluetooth®) EDIFICE fumble-free operation while on theFeatures Introducing new colors for the G SHOCK lineup of GBD 100 sports watches. Black and white base coloring is combined with vivid light collecting resin and semitransparent resin for a dazzling design that contributes to the enjoyment of a wide range of activities. Function wise, these models employ Bluetooth technology to allow access to a smartphones GPS for quicker calibration of distance measurements. Once calibration is done, the watch is