Jewelry & Watches · Triple Sensor Outdoor
PRW3500-1 PRO TREK
A field-instrument Casio built around sensors, solar charging, and outdoor legibility.
$365
at CASIO
Prices are a snapshot from when this page was built — confirm on the retailer's site.
Story & heritage
Casio's PRO TREK pages present the line as outdoor watches for precision in rugged country, and the PRW3500-1 remains listed in the US PRO TREK catalog.
Materials & craft
Official Casio copy highlights Triple Sensor technology for compass, thermometer, and barometer/altitude readings, along with solar-powered outdoor-watch reliability and water resistance for field use.
Triple SensorCompassAltimeter/barometerThermometerSolar powered
How to choose & style
Wear the PRW3500-1 with technical shells, fleece, trail shorts, or workwear; its large case makes the most sense when it reads as equipment.
Black resinTriple SensorOutdoor digital