Case / bezel material: ResinResin BandResin Glass / Spherical Glass50-meter water resistanceLED light AfterglowTelememo Memory capacity: Up to 30 sets of data, with 8-character name and 16-digit telephone number Others: Remaining memory screen, auto-sortWorld time Current time in 30 cities (29 time zones), daylight saving on/off1/100-second stopwatch Measuring capacity: 23:59'59.99" 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)Daily alarms 3 independent daily alarms (2 one-time alarms and 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatRegular timekeeping Analog: 2 hands (Hour, minute; hands move every 20 seconds) Digital: Hour, minutes, seconds, am/pm, month, date, dayAccuracy: ±30 seconds per monthApprox. battery life: 10 years on CR2025 
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