Casio Protrek Triple Sensor Black Digital Unisex Watch PRG90-1V

Electro-luminescent backlight. Full auto EL light, afterglow. Solar powered. Low-temperature resistant (-10 ?C/14 ?F). Digital compass. Measures and displays direction as one of 16 points. Measuring range: 0 ? to 359 ?. Measuring unit: 1 ?. 20 seconds continuous measurement. Graphic direction pointer. Bidirectional calibration and northerly calibration function. Altimeter. Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.). Measuring unit: 5 m (20 ft.). Auto memory measurements (up to 40 records, each including altitude, month, date, time). High Altitude / Low Altitude Memory. Cumulative Ascent / Descent Memory. Relative Altitude Display. Altitude Tendency Graph. Altitude Differential Graphic. Altitude alarm. *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). Atmospheric pressure tendency graph. Atmospheric pressure differential graphic. *Changeover between hPa and inHg. Duplex LC display. World time. 29 tim...