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The Casio Protrek PRG340-1D men's watch combines rugged outdoor functionality with sustainable innovation. Crafted from bio-based resin and featuring a black resin band, this timepiece is designed with eco-conscious materials derived from renewable sources. Its bold 54.7mm case houses a duplex LCD display for superior readability and a rotating bezel for precise directional navigation. Powered by solar energy, it offers uninterrupted performance even in remote locations. Designed for exploration, it includes altimeter, barometer, thermometer, and digital compass sensors, plus 100-meter water resistance and low-temperature durability. A refined yet durable companion for adventurous lifestyles.
Feature Overview
Warranty
2 Years
Packaging
Casio Box
Case Size
54.7mm
Gender
Men
Glass Material
Mineral Crystal
Movement
Solar
Water Resistance
100 Meters
Band Type
Black Resin
Specifications
- Case size (L× W× H): 54.7 × 51.7 × 15.1 mm
- Weight: 54 g
- Case and bezel material: Bio-based resin
- Band: Soft urethane band (Bio-based resin)
- Water resistance: 100-meter water resistance
- Environmental resistance: Low-temperature resistant (-10℃/14℉)
- Power supply and battery life: Solar powered
- 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 (℉) - Glass: Mineral Glass
- Bezel features: Direction Bezel
- Compatible band size: 145 to 215 mm
- 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
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