Basic InformationCase size (L W H)40.7 32.7 9.2 mmWeight53 gCase and bezel materialResin / Chrome platedBandStainless Steel BandAdjustable ClaspWater resistanceWater ResistantPower supply and battery lifeApprox. battery life: 3 years on CR1616ExteriorGlassResin GlassWatch FeaturesStopwatch1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring mode: Elapsed timeAlarm/hourly time signalDaily alarmHourly time signalLightLED backlightLight colorLED:AmberCalendarAuto-calendar (28 days for February)AccuracyAccuracy: 30 seconds per monthOther featuresRegular timekeeping: Hour, minute, second, pm, month, date, day