Features:

• Tough solar: Light powered with no batteries to change, when fully charged has a 5 month power reserve.
• Digital compass: Measures and displays direction as one of 16 points with a range of 0° to 359° in 1° units and has an abnormal magnetic field detect function and also bidirectional calibration and northerly calibration function
• Altimeter: Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft) in 20 ft units (5m). Takes auto memory measurements storing up to 40 sets of data, each including altitude, month, date, time. Reference altitude setting and altitude alarm.
• 1-second stopwatch, coordinated with altimeter, measures elapsed time, split time, 1st-2nd place times
• Barometer: Display range: 260 to 1,100 hPa/mb (7.65 to 32.45 inHg) in 1hPa/mb or .05 inHg units) and atmospheric pressure tendency graph. (Ability to select between hPa and inHg units)
• Thermometer with a display range of:-10 to 60°C (14 to 140°F) in 0.1°C (0.2°F) units (Fahrenheit or Celsius is user-selectable)
• Power save function (automatically disables LCD when the watch is left in the dark for 30 minutes)

Specifications:

• Tough Solar Power
• Digital Compass
• Altimeter
• Barometer
• Thermometer
• 50M Water Resistant
• Low Temperature Resistant
• Full Auto EL Backlight with Afterglow
• Duplex LCD Display
• 5 Daily Alarms
• Countdown Timer
• 1/100 Second Stopwatch
• Hourly Time Signal
• Battery Power Indicator
• Power Saving Function
• Auto Calendar (to year 2039)
• 12/24 Hour Formats
• Storage Battery CTL1616
• Accuracy ±15 seconds per month
• Size of case: .57.0×52.0×14.8 mm Weight: 77 g