Case / bezel material: Resin / Stainless steelResin Band100-meter water resistanceApprox. battery life: 10 years on CR2025Resin GlassWorld timeDual timeStopwatch1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place timesTimerCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)Other: Auto-repeatAlarm/hourly time signalHourly time signal5 multi-function alarms (with snooze alarm)LED backlightAfterglowLight colorLED:AmberFull auto-calendar (to year 2099)Accuracy: ±30 seconds per month12/24-hour formatRegular timekeeping:Hour, minute, second, pm, month, date, dayCase size (L× W× H) : 51.8 × 50.7 × 13.7 mmWeight : 55 g