Casio G-SHOCK "White Tricolor Series MULTI BAND 6" GW-8900TR-7 Imported Power saving function: When a given period of time passes in dark place, we delete display and save electricity. Imported Battery life: [after full charge drive time in state without solar generation] in the case of use of function: When, for approximately ten months, power saving is in a state: Approximately 33 months Countdown Timer Shock Resistant; 200 Meter Water Resistant