Case / bezel material: ResinResin BandMagnetic ResistantShock ResistantMineral Glass200-meter water resistanceLED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglowWorld time 31 time zones (48 cities + coordinated universal time), one-touch UTC time zone, daylight saving on/off, Home city/World time city swapping1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split timeCountdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 minute to 60 minutes (1-minute increments) Other: Auto switching to elapsed time measurement (up to 60 minutes, 1-second units) when the end of a countdown timer operation is reached5 daily alarms (with 1 snooze alarm)Hourly time signalHand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)Full auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (countdown timer minutes) Digital: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per monthApprox. battery life: 3 years on SR927W × 2 
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