Compass, Altimeter, Barometer, Thermometer! CASIO PROTREK 3 Sensor Solar Ultimate Adventure Tool!

 FUNCTIONS

EL Backlight (with Auto Light)
An electro-luminescent panel causes the entire face to glow for easy reading. Auto Light automatically turns on the EL backlight when the watch is tilted towards your face.
Duplex LCD
Two liquid crystal panels make it possible to select from among different display patterns.
Barometic Pressure Measurement
Thermometer (0°C / +40°C)
Compass
10,000 m Altimeter
Battery Indicator Display
Full Auto Calendar
12/24-hour Timekeeping
Resin Case
Water resistance classification (10 bar / 100m)
Perfect for swimming and snorkelling: The metres value relates to the air pressure used in the course of the water resistance test. (ISO 2281)

MAIN FEATURES 

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
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.)
Auto memory measurements
(up to 40 records, each including altitude, month, date, time)
High Altitude / Low Altitude Memory
Cumulative Ascent / Descent Memory
Total Ascent / Descent Memory
Relative Altitude Display
Altitude differential
Others:Reference altitude setting, Altitude tendency graph 4 display formats, Altitude measurment type (0'05 or 2'00")
*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)
World time
29 time zones (30 cities), city code display, daylight saving on/off
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 range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-hours increments and 1-minute increments)
Others: Auto-repeat, progress beeper
Daily alarms
5 independent daily alarms 
Hourly time signal 
Battery level indicator
Power save function (automatically disables LCD if left in the dark for 60 to 70 minutes, and sensor measurements if left in the dark for 6-7 days) 
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour, minutes, seconds, pm, year, month, date, day 
Accuracy: ±20 seconds per month
Approx. battery operating time:
6 months on Rechargeable Battery (Operation period with normal use without exposure to light after charge)
20 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
PRG-110 : 56.9 X 47.4 X 11.5 mm / 62g