Case size (L× W× H): 52.5 × 47.7 × 15.3 mm<br /><br />Weight: 50 g<br /><br />Case and bezel material: Case / bezel material: Resin<br /><br />Band: Resin Band<br /><br />Water resistance: 100-meter water resistance<br /><br />Power supply and battery life: Approx. battery life: 10 years on CR2025<br /><br />Glass: Resin Glass<br /><br />World time<br />World time Current time in 30 cities (29 time zones), daylight saving on/off<br /><br />Stopwatch<br />1/100-second stopwatch Measuring capacity: 23:59&#39;59.99&#39; Measuring modes: Elapsed time, split time, 1st-2nd place times<br /><br />Timer<br />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)<br /><br />Alarm/hourly time signal<br />3 daily alarms (with 1 snooze alarm)<br /><br />Hourly time signal<br /><br />Calendar<br />Full auto-calendar (to year 2099)<br /><br />Accuracy<br />Accuracy: ±30 seconds per month<br /><br />Other features<br />12/24-hour format<br /><br />Telememo Memory capacity: Up to 30 sets of data, with 8-character name and 16-digit telephone number Others: Remaining memory screen, auto-sort<br /><br />Regular timekeeping: Analog: 2 hands (hour, minute (hands move every 20 seconds)) Digital: Hour, minute, second, am/pm, month, date, day<br /><br />ID: 50002721