G-SHOCK GGB100-1A3 - Black / GreenMudmaster series Carbon and resin Resin band Mineral and spherical glass Shock and mud resistant Carbon core guard structure 200 meter water resistance Bluetooth connectivity 2 years battery life Step count using a 3 axis acceleration sensor Power saving 38 time zones Sunrise and sunset time display 1 100 second stopwatch Countdown timer 5 daily alarms Hourly time signal Double LED light Full auto calendar (to year 2099) Button operation tone on off
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