The Casio ProTrek PRG-600YB-2 is a solar-powered men's outdoor watch featuring Triple Sensor Version 3 technology for compass, altimeter, barometer, and thermometer readings. The digital compass provides 16-point directional display with a measurement range of 0 to 359 degrees. The altimeter measures from -700 to 10,000 meters with 30-record manual memory and automatic logging. The barometer covers 260 to 1,100 hPa with a pressure tendency graph and alert alarm.

The watch is powered by Casio's Tough Solar technology and runs approximately 7 months on a full charge under normal use, or up to 25 months in power-saving mode. It features a Double LED light system with full auto illumination for both the analog face and STN LCD digital display. The case is constructed from resin with stainless steel bezels, paired with a cloth band, and measures 51.6 x 51.5 x 13.4 mm at just 67 grams.

Additional features include 100-meter water resistance, low-temperature resistance to -10°C, world time across 29 time zones with one-touch UTC access, a 1/100-second stopwatch, countdown timer, 5 daily alarms, and a full auto-calendar through 2099. The watch uses a screw lock crown and mineral glass crystal.