Specifications: Case / bezel material: Resin Resin Band 200-meter water resistance Mineral Glass Magnetic Resistant Shock Resistant LED light Auto light switch, selectable illumination duration, afterglow World time 29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city / World time city swapping 1/1000-second stopwatch Measuring capacity: 99:59'59.999" Measuring modes: Elapsed time, lap time, split time Others: Speed (0 to 1998 units / hour), Distance input (0.0 to 99.9) Mach indicator (speed exceeding 1225 units / hour) Countdown timer Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeat Daily alarms 5 independent daily alarms (4 one-time alarms and 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2099) 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: +-15 seconds per month Approx. battery life: 2 years on CR1220 Size of case/total weight: 55 X 51.2 X 16.9 mm/70 g LED:Umber