Casio Tough Solar Triple Sensor Watch PRG-270-4D PRG-270-4

Features:

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°
60 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: 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 seconds
*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
Barometric pressure tendency information (arrow indicates significant pressure changes)
*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
31 time zones (48 cities + coordinated universal time), city name display, 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

Approx battery operating time:
9 months on rechargeable battery (operation period with normal use without exposure to light after charge)
24 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) 
Mineral Glass

100-meter water resistance

LED: White 
LED backlight (Super Illuminator)
Full auto LED light, selectable illumination duration, afterglow

Case / bezel material: Resin
Resin Band

Approx. Measurement:
Size of case: 54.6 X 52.4 X 14.4 mm
Total weight: 67 g