Case / bezel material: Resin / AluminumResin BandDirection BezelMineral Glass200-meter water resistanceElectro-luminescent backlight AfterglowLow-temperature resistant (-10 °C/14 °F)Digital 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 29 time zones (48 cities), city code display, daylight saving on/off1/100-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-repeatDaily alarms 5 independent daily alarms (4 one-time alarms and 1 snooze alarm)Hourly time signalFull auto-calendar (to year 2099)12/24-hour formatButton operation tone on/offRegular timekeeping: Hour, minute, second, pm, year, month, date, dayAccuracy: ±20 seconds per monthApprox. battery life: 3 years on CR2025