Climb Higher with the New Casio PRO TREK PRG-340

The newest addition to the PRO TREK family is designed with sustainability and climbing in mind.


The case, back, band, and rotating bezel of the PRO TREK PRG-340 are all made using renewable biomass plastics, in line with the brand’s commitment to sustainability. Using raw materials made from castor seeds and corn helps to reduce CO₂ emissions.

Casio Pro Trek PRG-340 brand image 1

Triple sensor tech

Triple sensor technology allows for high-accuracy readings of barometric pressure, temperature, and altitude. All of these stats are easily accessible via their own individual non-slip buttons, so you have all the information you need at your fingertips.

Dual LCD display

The LCD display on this model is split into dual sections to make it easier to read. The graphic indicators for the compass sit at the top of the screen while the time and various measurements are displayed on the bottom.

Casio Pro Trek PRG-340 brand image 2

Solar stability

The Tough Solar System helps ensure that your necessary functions don’t fail you on long stretches without a charge. Key functions will stay operational for up to seven months with minimal sunlight exposure.

Feature highlights

This watch has many features, including some of our favorites below:

  • LED Super Illuminator lighting
  • Bolder fonts for better readability
  • Water resistance up to 100m
  • Alarms, stopwatch, timer, and more

Casio Pro Trek PRG-340 brand image 3

Rotating bezel

The inclusion of a rotating bezel and moveable lug construction allows for simple map reading and orientation. The watch can lie flat, which makes working with a paper map easier.

Casio Pro Trek PRG-340 brand image 4

Casio PRO TREK PRG-340 conclusions

This Casio design is made sustainably and includes everything you need for climbing mountains or for everyday wear. It is definitely worth considering for your next adventure.