Casio g-shock tough solar

Casio g shock tough solar triple sensor watch PRG-80 PRG80

Large-Capacity Solar Power
No battery replacement required
Water resistant up to 100m
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
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
29 time zones (30 cities), city code display, daylight saving on/off 1/100-second stopwatch
Measuring capacity: 9:59'59.99''
Measuring modes: Elapsed time,
split time, 1st-2nd place times Countdown timer
Measuring unit: 1 second Countdown range: 60 minutes
Countdown start time setting range:
1 to 60 minutes (1-minute increments)
Others: Auto-repeat, progress beeper Daily alarms
5 independent daily alarms Hourly time signal
Battery power indicator
Power save function (automatically disables LCD if the watch is left in the dark for approximately 60 to 70 minutes, and sensor measurements if the watch is left in the dark for six or seven days)
Auto-calendar (to year 2099)
12/24-hour format Regular time keeping:
Hour, minutes, seconds, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery operating time: 6 months on Rechargeable Battery (Operating period with normal use without exposure to light after full charge)
21.5 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save function ON after full charge)
Size of case/total weight
PRG-80 : 62.3 X 52.2 X 14.2 mm / 77 g

Casio g shock tough solar triple sensor watch PRG-80L PRG80L
Water resistant up to 100m
Specifications:
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
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
29 time zones (30 cities), city code display, daylight saving on/off
1/100-second stopwatch
Measuring capacity: 9:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments)
Others: Auto-repeat, progress beeper Daily alarms
5 independent daily alarms Hourly time signal
Battery power indicator
Power save function (automatically disables LCD if the watch is left in the dark for approximately 60 to 70 minutes, and sensor measurements if the watch is left in the dark for six or seven days)
Auto-calendar (to year 2099)
12/24-hour format
Regular timekeeping: Hour, minutes, seconds, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery operating time: 6 months on Rechargeable Battery (Operating period with normal use without exposure to light after full charge)
21.5 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save function ON after full charge)
Size of case/total weight
PRG-80L : 62.3 X 52.2 X 14.2 mm / 76 g