CASIO Casio G-SHOCK GW-6904K-7JR New Color: White Case size (H x W x D) 53.2 x 50 x 17.7 mm Weight 71 g Case/Bezel Material Resin / Resin (Biomass Plastic) Band Resin band (Biomass Plastic) Structure Shock-resistant structure (Shock Resist) Water resistance 20 ATM water resistance Time correction Radio clock (Japan, North America, Europe, China) MULTIBAND6 Power supply/Battery life Tough Solar (Solar charging system) Exterior Glass Inorganic glass Band attachment size 145～205mm Watch functions World time World time: 48 cities worldwide (31 time zones, with summer time setting function) + UTC (Coordinated Universal Time) time display, UTC direct call function Stopwatch Stopwatch (1/100 second, 24-hour counter, with split) Timer Timer (set unit: 1 minute, maximum set: 24 hours, measured in 1-second increments) Alarm 5 time alarms (1 with snooze function) / Hourly time signal Light LED backlight (Full auto light, Super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds) Light color LED: White Calendar Full auto calendar Operation sound ON/OFF switching function Operation sound ON/OFF switching function Power saving function Power saving function (display turns off to save power when left in the dark for a certain period of time) Battery display/Warning Battery indicator display Operating time Operating time from full charge without solar power generation When using functions: Approximately 10 months In power saving mode: Approximately 26 months Accuracy *If radio wave reception is not performed, it operates with normal quartz accuracy (average monthly difference ±15 seconds). Other functions 12/24 hour display switching Time correction details Standard radio wave reception function: Automatic reception (up to 6 times/day) (China radio wave up to 5 times/day) / Manual reception New, unused, with tags Instant purchase OK #CASIO #Casio #GSHOCK #GW6904K7JR #DW6900UMS1JF #DW6900RCS1JF #DW6900UB9JF #DW6900JT3JF #DW6900Y9JF #DW6900RGB1JF #GM6900U1JF