Case / bezel material: Resin / AluminumResin BandResin Glass100-meter water resistanceElectro-luminescent backlight Selectable illumination duration (1.5 seconds or 3 seconds), afterglowDigital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359 ° Measuring unit: 1 ° 10 seconds continuous measurement Graphic direction pointer Bearing sensor correction Magnetic declination correctionThermometer Display range: -10 to 60 °C (14 to 140 °F) Display unit: 0.1 °C (0.2 °F) *Changeover between Celsius (°C) and Fahrenheit (°F)World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping1/100-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-hour increments and 1-minute increments) Other: Auto-repeat5 daily alarms (with 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, month, date, dayAccuracy: ±20 seconds per monthApprox. battery life: 5 years on CR2025 
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