Case / Bezel Material: Resin Band Magnetic Resistant Shock Resistant Mineral Glass 200-meter Water Resistance LED Light Auto Light Switch Selectable Illumination Duration (1.5 Seconds or 3 Seconds) 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: 99:5'9999999999. 59.99.9'' Measuring Mode: Elapsed Time, Lap Time, Split Time Others: Speed ??(0 to 1998 units/hour), Distance Input (0.0 to 99.9) Countdown Timer Measuring Unit: 1 Second Countdown Range: 24 Hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Others: Auto-rept. 5 daily eat arms (with 1 snooze alarm) hourly time signal full auto-calendar (up to the year 2099) 12/24-hour format regular timekeeping analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) digital: hour, minute, second, o'clock, month, date, day Accuracy: ?ñ15 seconds per month approx. Battery life: 2 years on CR1220 Case size: 55??51.2??16.9mm Net weight: 72g