Casio Pro Trek PRG-340-3 Solar Powered Men's Watch

Brand: Casio Pro Trek, Series: PRG-340 Series, Model: PRG-340-3, Gender: Men's, Case size: 51.7mm, Lug to Lug: 54.7mm, Case Thickness: 15.1mm, Dial Color: Grey, Case/bezel Material: Bio-based Resin, Band Material: Soft urethane band (Bio-based resin), Environmental resistance: Low-temperature resistant (-10℃/14℉), Band Color: Dark Green, Clasp: Tang, Construction: Shock Resistant, Approx. battery life: 2 years on CR2032, Bezel: Fixed, Bezel Color: Grey, Weight: Black, Water Resistant: 100 Meters / 300 Feet, Warranty: 2 Years, Exterior: Glass: Mineral Glass

Sensor feature

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 minutes
*1 second for first 3 minutes only
*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 (Past 42 hours of readings)
Atmospheric pressure differential graphic
Barometric pressure tendency information alarm (beep and arrow indicate significant changes in pressure)
*Changeover between hPa and inHg
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
Magnetic declination correction
Bearing memory
Thermometer
Display range: -10 to 60℃ (14 to 140℉)
Display unit: 0.1℃ (0.2℉)
*Changeover between Celsius (℃) and Fahrenheit (℉)

Watch Features:

World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off
Sunrise/sunset display
Sunrise, sunset time display
Sunrise time and sunset time for specific date

Stopwatch
1/10-second stopwatch
Measuring capacity: 999:59'59.9''
Measuring modes: Elapsed time, split time, 1st-2nd place times

Timer
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)

Alarm/hourly time signal
5 daily alarms (with 1 snooze alarm)
Hourly time signal

Light
LED backlight (Super Illuminator)
Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color
LED: White

Calendar
Full auto-calendar (to year 2099)

Mute feature
Button operation tone on/off

Energy saving feature
Power Saving (display goes blank to save power when the watch is left in the dark)

Battery display/alert
Battery level indicator

Run time
Approx. battery operating time:
7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Accuracy
Accuracy: ±15 seconds per month

Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, month, date, day
Duplex LC display