10-YEAR BATTERY LIFE 100-meter water resistance LED backlight 1/100-second stopwatch Dual time 5 multi-function alarms Case / bezel material: Resin / Stainless steel Resin Band Resin Glass 100-meter water resistance LED backlightafterglow Dual time 1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown 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-repeat 5multi-function alarms (with snooze alarm) Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Regular timekeeping: Hour, minutes, seconds, pm, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 10 years on CR2025 Size of case : 51.8×50.7×13.7mm Total weight : 55g
