Pro Trek is a triple sensor watch series of watches from the electronics manufacturer company Casio.

Product Features:

• Reception of six time calibration signals: Japan (2), United States, Germany, England, China
• Tough Solar ensures stable operation even when using power-hungry functions.
• Triple

Pro Trek is a triple sensor watch series of watches from the electronics manufacturer company Casio.

Product Features:

• Reception of six time calibration signals: Japan (2), United States, Germany, England, China
• Tough Solar ensures stable operation even when using power-hungry functions.
• Triple Sensor: Compass, Barometer/Thermometer, Altimeter
• Low temperature resistant (–10ºC/14°F)
• Mineral Glass
• 100-meter water resistance
• Case / bezel material: Resin / Aluminum
• Resin Band
• LED backlight (Super Illuminator)
• Full auto LED light, selectable illumination duration, afterglow
• Solar powered
• Low-temperature resistant (–10°C/14°F)
• Time calibration signal reception
• Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)
• 5 times a day for the Chinese calibration signal
• Manual receive
• The latest signal reception results
• Time Calibration Signals
• Frequency: 77.5 kHz
• Digital compass
• Measures and displays direction as one of 16 points
• Measuring range: 0 to 359°
• Measuring unit: 1°
• 60 seconds continuous measurement
• Graphic direction pointer
• Bidirectional calibration
• Magnetic declination correction
• Bearing memory
• Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.)
• Measuring unit: 1 m (5 ft.)
• Manual memory measurements (up to 30 records, each including altitude, date, time)
• Auto log data (High/low altitudes, auto cumulative ascent and descent)
• Trek log data (up to 14 records of high/low altitudes, auto cumulative ascent and descent of particular treks)
• Others: Relative altitude readings (–3,000 to 3,000 m), Selectable measurement interval: 5 seconds or 2 minutes
• 1 second for first 3 minutes only
• Changeover between meters (m) and feet (ft)
• Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
• Display unit: 1 hPa (0.05 inHg)
• Atmospheric pressure tendency graph(past 42 hours of readings)
• Atmospheric pressure differential graphic
• Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)
• Changeover between hPa and inHg
• Display range: –10 to 60°C (14 to 140°F)
• Display unit: 0.1°C (0.2°F)
• Changeover between Celsius (°C) and Fahrenheit (°F)
• 31 time zones (48 cities coordinated universal time), daylight saving on/off
• Sunrise, sunset time display
• Sunrise time and sunset time for specific date, daylight pointers
• 1/10-second stopwatch
• Measuring capacity: 999:59'59.9''
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Countdown timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
• 5 daily alarms (with 1 snooze alarm)
• Hourly time signal
• Battery level indicator
• Power Saving (display goes blank to save power when the watch is left in the dark)
• Full auto-calendar (to Year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping: Hour, minute, second, pm, year, month, date, day
• Accuracy: ±15 seconds per month (with no signal calibration)
• Size of case: 56 × 47 × 12.3 mm
• Total weight: 62 g
• LED: White