√ 100% Authentic With 1 Year Warranty √ Case / bezel material: Resin √ Resin Band √ Neobrite √ 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: 99:59'59.999'' Measuring modes: Elapsed time, lap time, split time Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9) √ 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) Other: Auto-repeat √ 5 daily alarms (with 1 snooze alarm) √ Hourly time signal √ Full auto-calendar (to year 2099) √ 1 2/24-hour format √ Regular timekeeping Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) √ Digital: Hour, minute, second, pm, month, date, day √ Accuracy: ±15 seconds per month √ Approx. battery life: 3 years on CR1220 √ Size of case : 49×45.9×15.8mm Total weight : 55g