Description
Original vintage Casio Pro Trek PRT-40. This Casio is in near-new condition, with a new battery installed October 2025. All functions are operating as designed, with no issues. This Casio is paired with the original Pathfinder nylon two-piece strap, with the velcro keeper.
The Casio PRT-40 is a vintage Pro Trek “Triple Sensor” watch from the 1990s, designed for outdoor activities with features like a digital compass, altimeter, barometer, and thermometer. It features a digital display, a durable resin case, and water resistance up to 100 meters. The watch is battery-powered and includes standard functions like a 12/24-hour format, alarm, and backlight.
Key features
- Triple Sensor: Includes a digital compass, altimeter, barometer, and thermometer.
- Display: Digital readout with a 12/24-hour format, day, date, and year.
- Functions: Alarm, backlight, and timer.
- Power: Battery-powered quartz movement.
- Water Resistance: Rated for 100 meters (10 ATM).
- Construction: Durable resin case and often comes with a plastic or nylon band.
- Case and Crystal: Features a light and durable plastic case with an acrylic crystal that is highly resistant to damage.












