Casio W800H-1BV Digital Watch

Case size (Lx Wx H) 44.2 x 36.8 x 13.4 mm Weight 37 g Case and bezel material Resin Band Resin Band Water resistance 100-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR2025 Glass Resin Glass Compatible band size 145 to 215 mm World time Dual time Stopwatch 1/100-second stopwatch Measuring capacity: 23:59&';59.99&';&'; Measuring mode: split time Alarm/hourly time signal Hourly time signal Multi-function alarm (with 1 snooze alarm) Light LED backlight Afterglow Light color LED:Green Calendar Full auto-calendar (to year 2099) Accuracy Accuracy: 30 seconds per month Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, year, month, date, day