1.8 x 0.6 x 1.8 inches

Rugged GPS watch built to withstand the toughest environments
Constructed to U.S. Military standard 810G for thermal, shock and water resistance (rated to 100 meters)
Built in 3 axis compass and barometric altimeter, plus multiple global navigation satellite systems (GPS, Glonass and Galileo) support helps track in more challenging environments than GPS alone