Mineral Glass Neobrite Shock Resistant 100-meter water resistance Case / bezel material: Resin Band LED lightSelectable illumination duration (1.5 seconds or 3 seconds), afterglow World time29 time zones (27 cities coordinated greenwich mean time), daylight saving on/off 1/100-second stopwatchMeasuring capacity: 59' 59.59' ' Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timerMeasuring unit: 1 secondCountdown range: 60 minutesCountdown start time setting range: 1 to 60 minutes (1-minute increments)Others: Auto-repeat, progress beeper 5 daily alarms (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2039) 12/24-hour format Regular timekeepingAnalog: 2 hands (hour, minute (hand moves every 20 seconds))Digital: Hour, minute, second, pm, month, date, day Accuracy: ¬±30 seconds per month Approx. battery life: 2 years on SR726W √ 2 Size of case: Ç46.3Ç√ Ç43.4Ç√ Ç15.8Çmm Total weight: 47 g LED: Amber .