Basic InformationCase size (L W H)30.3 24.6 7.3 mmWeight26 gCase and bezel materialResin / Chrome platedBandStainless Steel BandAdjustable ClaspWater resistanceWater ResistantPower supply and battery lifeApprox. battery life: 2 years on CR1216ExteriorGlassResin GlassWatch FeaturesStopwatch1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring mode: Elapsed timeTimerCountdown timer Countdown range: 30 minutes Preset countdown start times: 1, 3, 5, 10, 15, 20, 30 minutesAlarm/hourly time signalDaily alarmHourly time signalCalendarAuto-calendar (set at 28 days for February)AccuracyAccuracy: 30 seconds per monthOther featuresRegular timekeeping: Hour, minute, second, pm, month, date, day