Case / bezel material: Resin Resin Band Neobrite Shock Resistant Mineral Glass 100-meter water resistance LED light (Super Illuminator) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow World time 29 time zones (27 cities + coordinated greenwich mean time), daylight saving on/off 1-second stopwatch Measuring capacity: 59'59 Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 to 60 minutes (1-minute increments) Others: Auto-repeat, time up alarm 5 daily alarms (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2039) 12/24-hour format Regular timekeeping Analog: 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: 3 years on CR1220 Size of case : 47.4×43.4×14.8mm Total weight : 42g