Case / bezel material: ResinResin BandShock ResistantMineral GlassMud Resistant200-meter water resistanceElectro-luminescent backlight Full auto EL light, selectable illumination duration, afterglowSolar poweredWorld time 31 time zones (48 cities + coordinated universal time), 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)5 daily alarms (with 1 snooze alarm)Hourly time signalBattery level indicatorPower Saving (display goes blank to save power when the watch is left in the dark.)Full auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, month, date, dayAccuracy: ±15 seconds per monthApprox. battery operating time: 11 months on rechargeable battery (operation period with normal use without exposure to light after charge) 27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) 
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