√ 100% Authentic With 1 Year Warranty √ Case / bezel material: Resin √ Resin Band √ Shock Resistant √ Mineral Glass √ 200-meter water resistance √ Electro-luminescent backlight Afterglow √ Flash alert Flashes with buzzer that sounds for alarm, hourly time signal, countdown timer time up alarm √ 1/100-second stopwatch Measuring capacity: 00'00"00~59'59"99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st-2nd place times √ Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Other: Auto-repeat √ Multi-function alarm √ Hourly time signal √ Full auto-calendar (to year 2039) √ 12/24-hour format √ Regular timekeeping: Hour, minute, second, pm, month, date, day √ Accuracy: ±15 seconds per month √ Approx. battery life: 2 years on CR2016 Close √ Size of case : 53.2×50×16.3mm √ Total weight : 67g