AL190WD-1A

Case / bezel material: ResinStainless Steel BandAdjustable ClaspResin Glass50-meter water resistanceSolar poweredBattery-less (requires no battery replacement)1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown 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)5 daily alarmsHourly time signalLow battery alertAuto-calendar (28 days for February)12/24-hour formatRegular timekeeping: Hour, minute, second, pm, date, dayAccuracy: ±30 seconds per monthApprox. capacitor operating time: 14 days (from full charge to stopping of watch operation under the following conditions: watch not exposed to light, internal timekeeping, 20 seconds of alarm operation per day) on coin type capacitor