Casio Protrek - PRG-340-3
Features
Take the outdoors with a solar-powered PRO TREK. Comes with friendly and environmentally conscious materials. PRO TREK's original line of outdoor gear for nature lovers introduces PRG-340, a watch made from eco-friendly biomass* plastic and offering a snug fit for your wrist. The urethane case and band are made from biomass plastic made from castor oil. and a cable from biomass plastic made from corn. LCD screen. Duplex has separate layers for compass graphics and clock functions. This allows for a larger compass display for greater clarity and easier navigation in a design that is both practical and beautiful. The rotatable bezel makes it easy to record compass readings. And the Tough Solar charging system maintains advanced functionality at all times. Explore with less pollution! * Biomass plastics are polymers produced using chemical or biological synthesis of plant-derived materials or other renewable organic compounds. It is widely recognized for its ability to reduce environmental impact and promote the transition to a circular economy.
Specification
Case / bezel material: biomass plastic
Soft urethane strap (biomass plastics)
Waterproof to a depth of 100 meters
Resistant to low temperatures (-10°C/14°F).
use solar energy
Altimeter measurement range: -700 to 10,000 m (-2,300 to 32,800 ft) Measurement unit: 1 m (5 ft) Self-storage memory (stores up to 30 data with each pieces include height, date and time), auto-save data (Max/Min height Automatically collects elevation gain and decrease) (Max/Min altitude 14 data, automatically store cumulative elevation and descent of the trajectory range) Others: Relative altitude readings (–3,000 to 3,000 m), selectable measurement interval: 5 s or 2 min *1 s for the first 3 minutes only. *Change the unit between meters (m) and feet.
Barometer display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Barometric trend graph (last 42 hour reading) Barometric pressure difference graph, barometric pressure, barometric trend data alert (Beep and arrow clearly indicate pressure changes) *Changeover between hPa and inHg.
digital compass Measures and displays direction as one of 16 points Measuring distance: 0 to 359° Measuring unit: 1° 60 sec continuous measurement Graphical direction indicator Bidirectional Calibration Magnetic Rejection Correction Bearing memory
Thermometer Display range: -10 to 60°C (14 to 140°F) Display unit: 0.1℃ (0.2℉) *Switchable between Celsius (°C) and Fahrenheit (°F).
mineral glass
direction indicator
World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off
Shows sunrise and sunset times Sunrise and sunset times of a specific day natural light pointer
1/10 second maximum continuous timer: 999:59'59.9'' Measuring mode: timer from start to current position, interval timer Between the beginning and the end and the finish time of the competitors who took 1st and 2nd place
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)
hourly signal
LED backlight (Super Illuminator) Fully automatic LED light Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
LED light: white
Automatically display full calendar (to year 2099).
Button operation sound on/off
energy saving (The information display does not show any information. if the watch is left in the dark to save energy)
Battery level indicator
Approximate battery life: 7 months with rechargeable battery. (which is normal operation time without exposure to light) and 27 months on rechargeable battery. (This is the normal operating time when the watch is kept in the dark with the power save function on after the battery is fully charged.)
Accuracy: ±15 seconds per month
Time display in 12/24 hour format.
Regular timekeeping: Hour, minute, second, pm, month, date, day of the week. Double liquid crystal dial
Case size (W x D x H) 54.7 × 51.7 × 15.1 mm
Weight 54 g