Case size (L W H) 53.2 50 18.7 mm Weight 67 g Case and bezel material Case / bezel material: Resin Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance Power supply and battery life Approx. battery life: 2 years on CR2016 Glass Mineral Glass Stopwatch 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 Timer 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 Alarm/hourly time signal Hourly time signal Multi-function alarm Flash alert feature Flash alert Flashes with buzzer that sounds for alarms, hourly time signals Light Electro-luminescent backlight Afterglow Light color EL:Blue Green Calendar Full auto-calendar (to year 2099) Accuracy Accuracy: 15 seconds per month Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day and