Case / bezel material: ResinResin BandMineral GlassShock Resistant200-meter water resistanceElectro-luminescent backlightAuto light switch, dual illuminator, selectable illumination duration, afterglowFlash alertFlashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm, countdown timer progress beeper, and stopwatch auto startLow temperature resistant (-20°C)World time29 time zones (48 cities), city code display, daylight saving on/off1/100-second stopwatch (ST1)Measuring capacity: 999:59'59
99''Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)Others: Auto-repeat, progress beeperMulti-function alarms5 independent multi-function alarms (4 one-time alarms and 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, month, date, dayBattery: CR2025Size of case : 52×46