Designed to push boundaries and made of aerospace-grade titanium, the Apple Watch Ultra probably be the smartwatch adventurers like athletes, divers, rock climbers, and all the other outdoor enthusiasts are looking for. With a strong focus on extreme conditions, the 49mm titanium case has a flat Sapphire crystal that can be in very cold or hot environments. It also has an L1-L5 GPS, one of the most accurate GPS, built for extreme environments, and the battery life can last up to 60hr. The backtrack feature allows you to go back to whenever you pinpoint your tent, car, or road. It also features a robust microphone for loud environments.