![Amazon.com: Amazfit T-Rex Pro Smart Watch for Men Rugged Outdoor GPS Fitness Watch, 15 Military Standard Certified, 100+ Sports Modes, 10 ATM Water-Resistant, 18 Day Battery Life, Blood Oxygen Monitor, Black : Electronics Amazon.com: Amazfit T-Rex Pro Smart Watch for Men Rugged Outdoor GPS Fitness Watch, 15 Military Standard Certified, 100+ Sports Modes, 10 ATM Water-Resistant, 18 Day Battery Life, Blood Oxygen Monitor, Black : Electronics](https://images-na.ssl-images-amazon.com/images/I/71HvekeiFkL._AC_UL210_SR210,210_.jpg)
Amazon.com: Amazfit T-Rex Pro Smart Watch for Men Rugged Outdoor GPS Fitness Watch, 15 Military Standard Certified, 100+ Sports Modes, 10 ATM Water-Resistant, 18 Day Battery Life, Blood Oxygen Monitor, Black : Electronics
![Amazfit T-Rex Pro: A Tough Military-grade Smartwatch with Endurance to Match Your Own and up to 18 Days' Battery Life[1] Amazfit T-Rex Pro: A Tough Military-grade Smartwatch with Endurance to Match Your Own and up to 18 Days' Battery Life[1]](https://mma.prnewswire.com/media/1470674/Amazfit_T_Rex_Pro.jpg?p=facebook)
Amazfit T-Rex Pro: A Tough Military-grade Smartwatch with Endurance to Match Your Own and up to 18 Days' Battery Life[1]
![Amazon.com: Amazfit T-Rex Pro Smart Watch for Men Rugged Outdoor GPS Fitness Watch, 15 Military Standard Certified, 100+ Sports Modes, 10 ATM Water-Resistant, 18 Day Battery Life, Blood Oxygen Monitor, Gray : Electronics Amazon.com: Amazfit T-Rex Pro Smart Watch for Men Rugged Outdoor GPS Fitness Watch, 15 Military Standard Certified, 100+ Sports Modes, 10 ATM Water-Resistant, 18 Day Battery Life, Blood Oxygen Monitor, Gray : Electronics](https://m.media-amazon.com/images/I/71D2-OsX-hL.jpg)