Casio Pro Trek PRG-270 Solar Outdoor Watch
✓ Product data checked October 23, 2026
The Casio Pro Trek PRG-270 is an outdoor instrument worn on the wrist. Its Triple Sensor Version 3 measures altitude in 1 m steps, gives compass readings for 60 seconds at a press, tracks barometric pressure with an alarm for sudden changes, and reads temperature. Tough Solar charging means no battery to replace, and it is water resistant to 100 m and rated to -10 C. Large side buttons give one-press access to each sensor, and it adds sunrise and sunset data, four alarms, a stopwatch and a countdown timer. For a hiker or climber, it is a piece of gear that lives on the wrist.
Why it makes a good gift
Best for : A hiker, climber or backcountry camper who checks altitude and weather on the trail
Best occasion : A birthday, Christmas or Father's Day
Why it works : It replaces several pieces of trail gear with one watch that never needs a battery, which suits someone who spends weekends outdoors.
Avoid if : He wants a smartwatch with notifications and GPS, or a slim watch for the office.
For
Him
Budget
$$$$ — Premium
Frequently asked questions
Does it need battery changes?
No. Tough Solar charging powers it from light, according to Casio.
Which sensors does it have?
An altimeter, a digital compass, a barometer with a pressure tendency alarm and a thermometer.
Is it water resistant?
Yes, to 100 m, and rated for low temperatures down to -10 C (14 F).
Does it sync with a phone?
The Amazon listing does not mention Bluetooth or phone syncing for this model.
