Global Positioning Systems (GPS)

Amazfit T-Rex Ultra 47mm Smart Watch for Men, Route Import & Navigation, 6 Satellite Positioning Systems, Freediving Support & 10 ATM Waterproof, Rugged Outdoor Military-grade Smartwatch, Sahara Stainless Steel & Mud-resistant Design: Constructed with super-strong 316L stainless steel and a patented mud-resistant bridge and buttons, this watch is built to withstand any kind of action. The watch's HD AMOLED display can reach a peak... Amazfit T-Rex Ultra 47mm Smart Watch for Men, Route Import & Navigation, 6 Satellite Positioning Systems, Freediving Support & 10 ATM Waterproof, Rugged Outdoor Military-grade Smartwatch, Sahara