Resin Glass100-meter water resistanceCase/bezel material: ResinResin BandLED backlight (Super Illuminator): AfterglowDual time: 1/100-second stopwatchMeasuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursDaily alarm, selectable flash alert/vibration alertHourly time signalVibration alarmFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, month, date, dayLED: White