CASIO Casio G-SHOCK DW-6900RCS-1JF New Color: Black Case size (height × width × thickness) icon-question 53.2 × 50 × 18.7 mm Weight icon-question 72 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 Exterior Glass Mineral glass Band attachment possible size 145～205mm Watch Function Stopwatch Stopwatch (1/100 second (0'00''00～59'59''99), 1 second (1:00'00''～23:59'59''), 24-hour counter), with split) Timer Timer (set unit: 1 second, maximum set: 24 hours, measured in 1-second increments, auto-repeat) Alarm Multi-alarm, hourly time signal Flash function Flash function (alarm/hourly time signal/timer linked light emission) Light LED backlight (Super Illuminator, with afterglow function) Light color LED: White Calendar Full auto-calendar Accuracy Average monthly difference: ±15 seconds Other functions 12/24 hour display switching New, unused, with tags Instant purchase OK Model/Product name: G-SHOCK #CASIO #Casio #G-Shock #GSHOCK #GW9408 #DW6900UMS1JF #DW6900RCS1JF