Case size (L× W× H): 48.9 × 43.8 × 13.7 mm<br />Weigh: 52 g<br />Case / bezel material: Resin<br />Resin Band<br />Accompanied attached band<br />Construction:<br />Shock Resistant<br />Water resistance<br />200-meter water resistance<br />Power supply and battery life<br />Approx. battery life: 2 years on CR2016<br />Glass: Mineral Glass<br />Stopwatch<br />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<br />Timer<br />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<br />Alarm/hourly time signal:<br />Hourly time signal<br />Multi-function alarm<br />Flash alert feature:<br />Flash alert Flashes with buzzer that sounds for alarms, hourly time signals<br />Light:<br />Electro-luminescent backlight Afterglow<br />Light color<br />EL:Blue Green<br />Calendar:<br />Full auto-calendar (to year 2099)<br />Accuracy:<br />Accuracy: ±15 seconds per month<br />Other features:<br />12/24-hour format<br />Regular timekeeping: Hour, minute, second, pm, month, date, day<br /><br />ID: 50011600