FEATURESGet more out of your workouts with 60-lap memory delivered straight to your wrist.Enjoy the clean round case design for an easy read at a glance, even while running. Water resistance up to 100 meters to free you from worry when out in the rain, an LED light for a clear, easy read in lit and dark spaces, timer, and other workout-friendly functions so that you can focus on achieving your running goals. Calendar and dual time functions prepare you for peak performance, whether you’re on or off the track.SPECIFICATIONSCase / bezel material: ResinResin BandResin Glass100-meter water resistanceLED lightSelectable illumination duration (1.5 seconds or 3 seconds)Dual time1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~99:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, lap/split times Memory capacity: Up to 60 records (data number, measurement start month, date, day, lap/split times, lap/split number)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) Others: Auto-repeat3 multi-function alarms (with 1 snooze alarm)Hourly time signalAuto-calendar (to year 2099)12/24-hour formatRegular timekeeping: Hour, minutes, seconds, pm, month, date, dayAccuracy: ±30 seconds per monthApprox. battery life: 5 years on CR1620Case size (L× W× H): 45.5 × 40.5 × 12.4 mmWeight: 30 g