"This Multi-Band 5 Pathfinder Watch features Atomic Timekeeping, Digital Dial Code and Rubber Strap. Features Tough Solar Power, Digital Compass, Altimeter, Barometer and Thermometer. Multi-Band Atomic Timekeeping (US, UK, Germany, Japan) Receives time calibration radio signals which keep the displayed time accurate Auto receive function (6 times per day) Manual receive function Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60 Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz Tough Solar Power Digital Compass 16 points of measurement Measuring range: 0 to 359 degrees Measuring unit: 1 degree Altimeter Measuring range: -700 to 10,000m (-2,300 to 32,800ft) Measuring unit: 5m (20ft) Auto memory measurements Altimeter Memory Memory capacity: 40 records Measurement data: altitude, month, date, time High / Low altitude memory Cumulative ascent / descent memory Relative altitude display Altitude tendency graph Altitude differential graphic Altitude alarm 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 Atmospheric pressure differential grapic Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F) 100M Water Resistant Low Temperature Resistant (-10 C / 14 F) Full Auto EL Backlight with Afterglow Duplex LCD World Time 29 times zones (30 cities), city code display, daylight saving on/off 5 Daily Alarms Countdown Timer Measuring unit: 1 second Countdown range: 1 minute to 60 minutes Auto-repeat function 1/100 second stopwatch Measuring capacity: 9:59'59.99"" Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly Time Signal Auto Calendar (pre-programmed until the year 2099) 12/24 Hour Formats Accuracy: ±15 seconds per month (with no signal calibration) Storage Battery CTL1616 Battery Power Indicator Power Saving Function Approximate battery life: 5 months on full charge (without further exposure to light) Module 3043 Size of case/total weight: 62.3 X 52.2 X 14.2mm / 118g"