Case / bezel material: ResinResin BandMagnetic ResistantShock ResistantMineral Glass200-meter water resistanceLED light Auto light switch, selectable illumination duration, afterglowThermometer Display range: –10 to 60°C (14 to 140°F) Display unit: 0.1°C (0.2°F)World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swappingMoon data (moon age of the specific date, moon phase graph)Tide graph (tide level for specific date and time)1/100-second stopwatch Measuring capacity: 999:59'59.99'' 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 alarms (with 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeepingAccuracy: ±15 seconds per monthApprox. battery life: 3 years on SR927W × 2 
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