G-Shock Tough Solar Gravity Defier Black Dial Men's watch #G-1200B-1A 200-meter water resistance, Shock Resistant, Solar powered, World time 1/100-second stopwatch, Daily alarm, Low battery alert, Power Saving (Hands stop to save power when the watch is left in the dark.) Full auto-calendar (to year 2099), Regular timekeeping Accuracy: 15 seconds per month, Approx. battery operating time: Size of case/total weight: 52.5 X 49.8 X 15.5 mm/74 g