Casio W-217HM-5A Kids Mens Watch Digital Stopwatch Alarm

Case / bezel material: ResinResin BandResin Glass50-meter water resistanceLED backlight1/100-second stopwatch , Measuring capacity: 59'59.99'' , Measuring modes: Elapsed time, split time, 1st-2nd place timesDaily alarmHourly time signalAuto-calendar (set at 28 days for February)12/24-hour formatRegular timekeeping: Hour, minute, second, pm, date, dayAccuracy:±30 seconds per monthApprox. battery life: 7 years on CR2016Size of case : 43.1×41.2×10.5mmTotal weight : 32g