Mineral GlassShock Resistant200-meter water resistanceCase / bezel material: ResinResin BandElectro-luminescent backlightAfterglowFlash alertFlashes with buzzer that sounds for alarm, hourly time signal, countdown timertime up alarm1/100-second stopwatchMeasuring capacity:00'00"00~59'59"99 (for the first 60 minutes)1:00'00~23:59'59 (after 60 minutes)Measuring unit:1/100 second (for the first 60 minutes)1 second (after 60 minutes)Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)Other: Auto-repeatMulti-function alarmHourly time signalFull auto-calendar (to year 2039)12/24-hour formatRegular timekeeping: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per monthApprox. battery life: 2 years on CR2016Size of case: 53.2 × 50 × 16.3 mmTotal weight: 67 gEL:Blue Green