MULTIBAND : 6 reception lack ion plated Titanium Band Tough Solar six time calibration signals:- Black ion plated bezel Sapphire Glass Japan (2), United States, Triple Sensor: 100-meter water resistance Germany, England, China Compass World time Case / bezel material: Resin / Stainless Steel Barometer/Thermometer Sunrise, sunset time display Double-Lock,1-press,3-fold clasp Altimeter Size of case : 56x47.1x12.0mm Titanium Band Low temperature resistant (x10 C/14xF) Total weight : 106g Specifications LED backlight (Super Illuminator) Graphic direction pointer Thermometer Full auto-calendar (to year 2099) Full auto LED light, selectable illumination duration, afterglow Bidirectional calibration Display range: x10 to 60 C (14 to 140xF) 12/24-hour format Solar powered Magnetic declination correction Display unit: 0.1 C (0.2xF) Button operation tone on/off Low-temperature resistant (x10 C/14xF) Bearing memory Changeover between Celsius ( C) and Fahrenheit (xF) Regular timekeeping: Hour, minute, second, pm, year, month, date, day Time calibration signal reception Altimeter World time Accuracy: x15 seconds per month (with no signal calibration) Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) Measuring range: x700 to 10,000 m (x2,300 to 32,800 ft.) 31 time zones (48 cities + coordinated universal time), daylight saving on/off Approx battery operating time: 5 times a day for the Chinese calibration signal Measuring unit: 1 m (5 ft.) Sunrise, sunset time display 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) Manual receive Manual memory measurements (up to 30 records, each including altitude, date, time) Sunrise time and sunset time for specific date, daylight pointers 23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge The latest signal reception results Auto log data (High/low altitudes, auto cumulative ascent and descent) 1/10-second stopwatch Time Calibration Signals Trek log data (up to 14 records of high/low altitudes, auto cumulative ascent and descent of particular treks) Measuring capacity: 999:59'59.9'' Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz Others: Relative altitude readings (x3,000 to 3,000 m), Selectable measurement interval: 5 seconds or 2 minutes Measuring modes: Elapsed time, split time, 1st-2nd place times Station name: MSF (Anthorn, England)Frequency: 60.0 kHz 1 second for first 3 minutes only Countdown timer Station name: WWVB (Fort Collins, United States)Frequency: 60.0 kHz Changeover between meters (m) and feet (ft) Measuring unit: 1 second Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Barometer Countdown range: 24 hours Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga) Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Station name: BPC (Shangqiu City, Henan Province, China)Frequency: 68.5 kHz Display unit: 1 hPa (0.05 inHg) 5 daily alarms (with 1 snooze alarm) Digital compass Atmospheric pressure tendency graph(past 42 hours of readings) Hourly time signal Measures and displays direction as one of 16 points Atmospheric pressure differential graphic Battery level indicator Measuring range: 0 to 359x Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure) Power Saving Measuring unit: 1x Changeover between hPa and inHg (display goes blank to save power 860 seconds continuous measurement When the watch is left in the dark)