The PRO TREK PRG-601 is the perfect outdoor companion, featuring a digital compass, barometer/altimeter, and thermometer Triple Sensor to keep you informed of changes in the natural environment. The raised index numbers and wide stainless steel bezel create a bold yet balanced design, while the use of renewable bio-based resins reduces the ecological footprint of this watch. Plus, in addition to its ruggedness, this watch also converts light into energy with its Tough Solar technology.