Although Casio has been the Alfa and Omega of digital watches for decades, he has always had a small weak point, literally. But 2025 is clearly the year in which even a digital screen will be able to shine in the dark as if it had come out of a superhero comic. The new Casio Pro Trek series with phosphorescent digital display.
Casio is with his new series Casio Pro Trek PRW-35LD-5JF and PRW-35TLD-7JF have done something that will leave many speechless: for the first time in history, they have equipped a digital LCD screen with a completely phosphorescent coating that lights up without the help of internal LED lighting. In a world where there is still discussing if smartwatches should resemble mini phones, Casio elegance finds a middle ground between complexity and something decidedly simple … and ingenious.
The first digital watch that really lights up
Of course, super-luminova, seiko lumibrite and similar light coverings have been in use for decades, but almost exclusively for analog hands. Digital display? Until now, everything depended on the pressure of a button. New Casio PRW-35LD-5JF The series changes things. The LCD screen lights up alone if it receives enough light during the day. The story is this: if you expose the watch to an intense light source (for example a 200 lumen front lamp) for a minute, it will remain bright for the following hour.
For hikers, mountaineers, speleologists and lovers of night adventures, it is a really important experience. But who wants to scratch the clock with a cold finger at 2,000 meters deep to see what time is it?
A classic that does not forget the future: Casio Pro Trek
Both models, the cheapest Prw-35LD-5JF and the most expensive Prw-35Tld-7JF, are based on the family and popular design of the PRW-35 series: 44.6 mm in diameter, 13 mm thick and only 45 g of weight (or 81 g for the titanium version). Compact, robust and in any case convenient to wear: Casio has not chosen the “biggest” path is better “.
Inside hides the tested Triple Sensor technology (altitude, pressure, compass), Tough Solar solar power and multi -band radio hourly synchronization. Of course, data on sunrise and sunset are also available, a thermometer and resistance to cold until -10 ° C. Waterfall? No problem up to 100 meters.
Premium or practicality: Casio Pro Trek?
The difference between the two models mainly concerns the materials: the PRW-35LD-5JF has a resin strap of organic origin, mineral glass and costs about 337 dollars. On the other hand, the PRW-35TLD-7JF focuses on the elegance of titanium, on the sapphire glass with internal AR coating and on the titanium carbide coating, which places it in the price range of 600 dollars. But both watches are built for intensive use on the field, only with some “aesthetic additions”.
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A bright future, but also some dark point
Although it is an innovation of world relevance, the Casio Pro Trek, Casio has not (still) confirmed international distribution. Traditional Casio Pro Trek The series remains partly reserved for the Asian market, which sometimes represents a frustration for fans from all over the world. However, if the market will require it with enthusiasm, perhaps this miraculous phosphorescent box will also arrive in Europe or even in the United States.
Conclusion: Really interesting watches
Casio Pro trek PRW-35LD-5JF e PRW-35TLD-7JF They are not simply new watches: they represent a silent (or bright) revolution in the world of digital watches. In an era in which most of the innovations involve more screens, sensors and apps, Casio shows that it is possible to be pioneers with something simple as a luminous coating. Minimalism? Perhaps. Innovation? Absolutely. Do you need a bright button? Until we meet again!
