Double LED light LED light for the face (Full auto LED light, Neon illuminator, selectable illumination duration, afterglow) LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration, afterglow) Solar powered Low-temperature resistant (–10°C/14°F) Time 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 results Time 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 kHz The auto hand home position correction Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1° 60 seconds continuous measurement Auto level correction function Bearing memory Hand indication of north Direction compensation (figure 8, 3-point) Magnetic declination correction Altimeter Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) Hand indication of altitude differential Manual memory measurements (up to 30 records, each including altitude, date, time) Auto log data (High/low altitudes, cumulative ascent and descent) Others: Relative altitude readings (±100 m /±1000 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) Hand indication of pressure differential Atmospheric pressure tendency graph Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure) *Changeover between hPa and inHg Thermometer 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), Onetouch UTC Time Zone Access, daylight saving on/off, Homecity/World time city swapping Fishing mode The suitability of a specific date and time for fishing is indicated as one of five levels. Moon data (Moon age of the specific date) Tide graph (tide level for specific date and time) Sunrise, sunset time display Sunrise time and sunset time for specific date 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 minute to 60 minutes (1-minute increments) 5 daily alarms Hourly time signal Hand shift feature (manual or auto (during altitude, barometric pressure, and temperature measurement)) Battery level indicator Power Saving (display goes blank and hands stop to save power when the watch is left in the dark) Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, am/pm, month, date, day Accuracy: ±15 seconds per month (with no signal calibration) Approx. battery operating time: 6 months on rechargeable battery (operation period with normal use without exposure to light after charge) 21 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Size of case : 58.7×52.3×14.5mm Total weight : 95g