G-shock tough solar watch

Casio g-shock tough solar triple sensor watch PRG-90 PRG90

Large-Capacity Solar Power
No battery replacement required
Water resistant up to 100m
Specifications (Module No. 2894):
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 (Operation period with normal use without exposure to light after charge)
21.5 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-90 : 64.0 X 48.9 X 14.4 mm / 83g

Casio g-shock tough solar triple sensor watch PRG-80L PRG80L

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 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