RARE 1st GPS Casio Protrek Digital Navigation Prt-1 Vintage Watch for sale online | eBay
Casio's hybrid sports watch will come with solar powered GPS to track your exercise
Casio to Release Second New Smart Outdoor Watch with GPS to Inspire Users to Venture Even Farther Afield | Casio USA
A prototype Global Positioning System (GPS) wristwatch screen indicates its current location as Casio Computer Co's Hiroshi Masubuchi shows off the "world's first watch with built-in GPS" in Tokyo January 6. The