1999 saw the world's first outdoor-sports watch with built-in GPS 💪 This PROTREK watch was known by the nickname "Satellite Navi", and used proprietary LSI and high-density mounting technologies to deliver the first wristwatch in the world with GPS functionality.
Not only using location data from GPS satellites to determine the user's latitude and longitude, this watch provided a graphic display of the direction and distance to a specified destination from the current location, and with it's compact and streamlined design, the PRT1GPJ offered superior convenience for outdoor use 🏕️