Casio W735H-1AV Digital Watch

Case size (Lx Wx H) 51.4 x 47.1 x 16.1 mm Weight 50 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 CR2032 Glass Resin Glass World time Dual time Stopwatch 1/100-second stopwatch Measuring capacity: 23:59&';59.99&';&'; Measuring modes: Elapsed time, split time, 1st-2nd place times Other: 5-second countdown auto start Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Alarm/hourly time signal Daily alarm Hourly time signal Light LED backlight (Super Illuminator) Afterglow Light color LED:White 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, month, date, day Vibe alert (daily alarm, hourly time signal, countdown timer time up, stopwatch auto start countdown)