Case size (L W H): 45.7 40.5 11.9 mmWeight: 42 gResin / Bio-based resinBio-based resin bandShock Resistant200-meter water resistanceBattery: CR1616Mineral GlassCompatible band size: 145 to 190 mm1/100-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-repeatAlarm/hourly time signalMulti-function alarmHourly time signalFlash alert featureFlash alertFlashes with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarmLED backlight (Super Illuminator)AfterglowLight colorLED:WhiteFull auto-calendar (to year 2099)Accuracy: 15 seconds per monthOther features12/24-hour formatRegular timekeeping:Hour, minute, second, pm, month, date, day