"ANALOG and DIGITAL" NO BATTERY REPLACEMENT REQUIRED!

After a full charge, all functions of the watch remain enabled for up to five months under certain operating conditions.

• Digital Compass
• Altimeter
• Barometer
• Thermometer
• 100 Meter Water Resistant
• Low Temp. Resistant
• Electro-luminescent Backlight
• Auto Light Switch: Backlight goes on when the watch is tilted toward your face.
• Digital Compass: 20 seconds continuous measurement. Measures and displays in 16 directions. Angle display Measuring range 0 to 359 degrees. Measuring unit: 1 degree. Memory capacity: 5 sets of measurement data with direction, month, date and measurements time. Bi-directional calibration and northerly calibration function.
• Altimeter: Measuring range: -2,300 to 32,800 feet (-700 to 10,000 meters). Altitude is displayed in units of 20 feet. (5m) Target altitude alarm, graph display for target altitude.. Change over between feet and meters.
• Barometer: Measuring range: 7.65 to 32.45 inHg (260 to 1100 hPa/mb) Display unit 0.05 inHg (1 hPa/mb) Measurement timing: At the top of every even numbered hour in Barometer Mode Change over between inHg to hPa. Thermometer Measuring range: 14 degrees F to 140 degrees F. (-10 C to 60 C) measuring unit: 0.2F (0.1 C). Measurement timing: Every 5 seconds in Barometer Mode. Change over between Celsius to Farenheit.
• Regular Timekeeping: hours, minutes, seconds, pm (P), month, year, day, day of the week Daily Alarm.
• Stopwatch
• Hourly Time Signal
• 12/24 Hour Format
• Auto Calendar from 2000 to 2039
• Accuracy at normal temperature: + - 15 seconds per month
• Heavy duty black resin band