Case / bezel material: ResinResin BandMineral GlassShock Resistant200-meter water resistanceLED backlight (Super Illuminator) Full auto LED light, selectable illumination duration, afterglowSolar poweredTime calibration signal reception Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) *5 times a day for the Chinese calibration signal Manual receive The latest signal reception resultsTime Calibration Signals Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz Station name: MSF (Anthorn, England) Frequency: 60.0 kHz Station name: WWVB (Fort Collins, United States) Frequency: 60.0 kHz Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga) Station name: BPC (Shangqiu City, Henan Province, China) Frequency: 68.5 kHzDigital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1° 60 seconds continuous measurement Graphic direction pointer Bidirectional calibration Magnetic declination correction Bearing memoryAltimeter Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) Altitude Memory Function: Manual Readings: 40 records, each containing date and time, direction angle, altitude, barometric pressure, and temperature Auto Save Data: High altitude, low altitude, cumulative ascent, cumulative descent (1 value each) Others: Relative altitude readings (–3,000 to 3,000 m) Selectable measurement interval: 5 seconds or 2 minutes *1 second for first 3 minutes only *Changeover between meters (m) and feet (ft)Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Atmospheric pressure tendency graph (past 42 hours of readings) Atmospheric pressure differential graphic Barometric pressure tendency information alarm (beep and arrow indicate significant changes in pressure) *Changeover between hPa and inHgThermometer 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)Manual data recording of up to 40 records (altitude, barometric pressure / temperature, bearing, time (Time Stamp))World time 31 time zones (48 cities + coordinated universal time), daylight saving on/offSunrise, sunset time display Sunrise time and sunset time for specific date, daylight pointers1/100-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 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 month (with no signal calibration)Approx battery operating time: 8 months on rechargeable battery (operation period with normal use without exposure to light after charge) 23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) 
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