Casio Pro Trek Watches

Measurement tools for when you leave the city. Compass, altimeter, and more.

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Sensors · Adventure · Casio

Pro Trek

Outdoor watches with the tools you need when you're away from home

Casio's line for the mountains and the outdoors

Pro Trek is Casio's collection for those who leave the city behind. It was launched in 1995 and since then it has focused on a very specific profile: watches that incorporate measuring instruments to help you find your way, predict the weather and know what conditions you're in. These aren't decorative watches. They're tools.

They don't chase the impact resistance of a G-Shock or the understated design of an Edifice. Their territory is different: hiking, mountains, camping, fishing or any outdoor activity where you need information a normal watch won't give you. The part of Casio's catalogue you wear when you leave the asphalt behind.

Triple Sensor Tough Solar Cold resistance Outdoor design

Sensors, solar power and materials designed for the outdoors

What defines a Pro Trek is the Triple Sensor: digital compass, altimeter/barometer and thermometer. These are three tools that let you find your bearings, know your altitude and detect pressure changes that indicate shifts in the weather. On top of that, many models include Tough Solar, Casio's solar charging system, so you don't have to worry about the battery.

The collection has also evolved in terms of materials. Casio uses bio-based resins in cases and straps, and some versions use fabrics made from recycled plastic bottles. It's a way of maintaining performance without losing coherence with the environment these watches are used in.

Frequently asked questions

What is the Triple Sensor on a Pro Trek?

The Triple Sensor is the set of three measuring instruments Casio integrates into Pro Trek watches: digital compass, altimeter/barometer and thermometer. The compass shows you direction, the altimeter calculates altitude based on atmospheric pressure and the barometer records pressure changes that help predict shifts in the weather. Version 3 of this technology reduced the size of the sensors and improved their accuracy and energy efficiency.

What does it mean for a Pro Trek to be "radio controlled"?

A radio controlled watch receives time signals from atomic transmitters located in different parts of the world. These signals contain the exact time and the watch adjusts automatically to it. In practice, it means your Pro Trek always shows the correct time to the second, without you having to set it manually, even if you travel to another time zone.

What advantages does Tough Solar offer on a mountain watch?

Tough Solar converts light, both natural and artificial, into energy to power the watch. In a mountain context, this is especially useful because it removes the need to change the battery and guarantees that higher-consumption functions, such as the LED light or sensor readings, are always available. The surplus energy is stored in a rechargeable battery that can keep the watch running for months without exposure to light.

Are Pro Trek and G-Shock the same thing?

No. They share toughness and reliability as a foundation, but they're designed for different things. G-Shock prioritises resistance to impacts, vibrations and extreme conditions; it's a watch to wear in any situation without worrying about it. Pro Trek, on the other hand, is focused on outdoor activities and adds measuring instruments that a G-Shock doesn't have. If you need to find your bearings, measure altitude or track the weather, Pro Trek. If you need a watch that takes anything without more, G-Shock.

Can Pro Trek watches get wet?

Most Pro Trek models have a water resistance of 100 metres (10 BAR), which covers use in the rain, washing your hands or light water activities. Some specific models, such as the PRT-B70, reach 200 metres. They aren't designed for scuba diving, but for regular outdoor use and getting wet without worries, they're prepared.