Casio Pro Trek PRG-240-3DR Digital

Specifications
Case / bezel material: Resin
Resin Band
Mineral Glass
Direction Bezel
100-meter water resistance
Electro-luminescent backlight
Full auto EL light, selectable illumination duration, afterglow
Tough Solar (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
Magnetic declination correction
Bearing memory
Altimeter
Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)
Measuring unit: 5 m (20 ft.)
Manual memory measurements
(up to 25 records, each including altitude, date, time)
High Altitude / Low Altitude memory
Total Ascent / Descent memory
Others: Reference altitude setting, Altitude tendency graph, Altitude differential
*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
Thermometer
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)
Duplex LC display
World time
31 time zones (48 cities), city code display, daylight saving on/off
Sunrise, sunset time display
Sunrise time and sunset time for specific date, Daylight pointers
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown start time setting range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1- minute increments and 1-hour increments)
5 daily alarms
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
Approx. battery operating time:
6 months on rechargeable battery (operation period with normal use without exposure to light after charge)
23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Size of case / Total weight
Size of case : 57.3×50.9×15.3mm
Total weight : 66g