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Casio Pro Trek PRG-340

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description Casio Pro Trek PRG-340 Overview

The Casio Pro Trek PRG-340 is a digital trekking watch utilizing solar charging alongside battery power for extended use and features include barometric pressure, compass, and tri-sensor functionality.

help Casio Pro Trek PRG-340 FAQ

What sensors are built into PRG-340?

The PRG-340 uses Casio's Triple Sensor for a digital compass, altimeter, barometer, and thermometer. Its compass reads 0 to 359 degrees, while the altimeter range is roughly -700 to 10,000 metres. [Casio](https://www.casio.com/intl/watches/protrek/product.PRG-340-3/)

How long can PRG-340 run after charging?

Casio lists about seven months of operation without light after a full charge, or about 27 months in total darkness with power saving enabled. It uses Tough Solar charging, so normal use depends on continued exposure to light. [Casio](https://www.casio.com/intl/watches/protrek/product.PRG-340-3/)

What is special about the PRG-340's materials?

The case and soft urethane band use bio-based resin sourced from plant material such as castor oil and corn. The watch remains 100-metre water resistant and low-temperature resistant to -10 C. [Casio](https://www.casio.com/intl/watches/protrek/product.PRG-340-3/)

How much hiking data can PRG-340 store?

It can store up to 30 manual altitude measurements and up to 14 trek logs of high and low elevations and cumulative ascent or descent. It also shows sunrise and sunset times and supports world time for 31 time zones. [Casio](https://www.casio.com/intl/watches/protrek/product.PRG-340-3/)

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