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The Casio PRO TREK PRG-69-4ER introduces a novelty to the collection: it is the first digital PRO TREK with an angular case. Its faceted surfaces move away from the usual round shapes of mountain watches and give it an identity of its own. The black case, the silver bezel that frames the display and the orange strap create a marked contrast that adds personality to its technical design. All of this with a weight of only 58 grams.
Beyond its appearance, this watch incorporates Casio's Triple Sensor, with a digital compass, altimeter, barometer and thermometer. The compass allows you to check the bearing; the altimeter measures changes in altitude, and the barometer shows the atmospheric pressure and its evolution. The thermometer completes the environmental measurements for those who practice hiking and other outdoor activities.
One of its most interesting details is the dual-layer LCD display. The graphical representation of the compass is superimposed on the information of the main display, with a visual indication of the cardinal points that makes it easier to interpret the direction. The altimeter also allows you to check logs and accumulated data of ascent and descent, while the barometric graph helps to observe pressure changes during a route.
The materials also distinguish this version. The central case uses a bio-based resin with flame-retardant properties, while the orange strap is made with bio-based resin. A combination that maintains the functional approach of the PRO TREK family and adds a color contrast that is especially recognizable in outdoor activities.
Tough Solar charging harnesses light to power the watch, reducing the need to periodically replace a conventional battery. The Super Illuminator LED lighting makes it easier to read in low-light conditions and the 10 bar water resistance broadens its possibilities for everyday and outdoor use. All of this in a PRO TREK that combines orientation and measurement instruments with a visually different construction.
Triple Sensor
Tough Solar
Angular case
Flame-retardant resin
Orange bio-based resin strap
10 bar water resistance
Frequently asked questions
What does the Triple Sensor of the Casio PRO TREK PRG-69-4ER measure?
The Triple Sensor brings together a digital compass, altimeter, barometer and thermometer. It allows you to check the bearing, measure relative altitude, observe the evolution of atmospheric pressure and know the temperature. These functions provide useful information during activities such as hiking and mountain excursions, although they do not replace navigation instruments or weather forecasts.
What does the dual-layer LCD display offer?
Its design allows digital information to be shown together with a graphical representation of the compass. The visual indication of the cardinal points makes it easier to interpret the bearing at a glance and differentiates this model from digital watches with a conventional single-layer display.
What is the altimeter of the PRO TREK PRG-69-4ER for?
It allows you to check the relative altitude and follow changes in height during a route. It also has a measurement memory and accumulated ascent and descent logs. As it calculates altitude based on atmospheric pressure, weather variations can affect the reading; that is why it is advisable to calibrate it periodically with a known altitude.
What information does the barometer offer?
It shows the atmospheric pressure and its evolution through a graph. Changes in pressure can provide indications about a variation in weather conditions, but they should be interpreted with caution and do not replace a weather forecast.
How is the Casio PRO TREK PRG-69-4ER charged?
It incorporates the Tough Solar solar system, which transforms light into energy to power the watch. It can be charged with sunlight and with artificial lighting, although the charging speed depends on the intensity of the light and the exposure time. It is advisable to follow the manufacturer's recommendations to maintain an adequate energy reserve.
What does it mean that the case has flame-retardant properties?
The central case uses a resin with flame-retardant properties. This material is designed to limit combustion and stop burning when the ignition source disappears, in accordance with the characteristics declared by the manufacturer. It does not mean that the complete watch is fireproof or that it can be exposed directly to fire.
What is the strap of the PRO TREK PRG-69-4 made of?
The orange strap is made with bio-based resin, an alternative that incorporates raw materials of biological origin and is designed to offer comfort and resistance in daily use. Compared to a conventional resin strap, its main difference lies in the origin of the materials, not necessarily in durability.
Can you swim with the Casio PRO TREK PRG-69-4ER?
Its water resistance is 10 bar. This rating allows water use compatible with the manufacturer's indications, but it is advisable to consult the manual to know the permitted activities and the corresponding precautions. The buttons should not be pressed underwater unless the model's instructions expressly permit it.
Does it show sunrise and sunset times?
Yes. It includes a function to check the sunrise and sunset times for a configured date and location. It can be practical for organizing an excursion and calculating the margin of available light, without replacing route planning or safety precautions.
Technical specifications
| Reference | PRG-69-4ER |
|---|---|
| Brand | Casio |
| Collection | PRO TREK |
| Movement | Digital quartz with solar power |
| Module | 3513 |
| Sensor functions | Digital compass, altimeter, barometer and thermometer |
| Altimeter functions | Relative altitude measurement, altitude graph, altitude differential and log memory |
| Barometer functions | Atmospheric pressure measurement, pressure graph and pressure change indication |
| Other functions | World time, stopwatch, timer, alarms and sunrise/sunset check |
| Case material | Bio-based resin; central case with flame-retardant properties |
| Case color | Black |
| Strap | Bio-based resin, orange |
| Clasp | Buckle |
| Display | Dual-layer LCD |
| Illumination | Super Illuminator LED |
| Power | Tough Solar |
| Water resistance | 10 bar |
| Cold resistance | Down to -10 °C |
| Dimensions | 52.5 × 46.4 × 14.4 mm |
| Weight | 58 g |
