The Apple Watch Ultra is crafted for endurance athletes, outdoor adventurers, and water sports enthusiasts, featuring a rugged, corrosion-resistant 49mm titanium case, 100m water resistance, and an ultra-bright Always-On Retina display. With up to 36 hours of battery life and an intuitive Action button, it’s designed for on-the-go functionality. This model supports advanced Workout app metrics like Heart Rate Zones and precise dual-frequency GPS for accurate tracking of distance and route, plus it includes a Trail Loop band for runners. The enhanced Compass app with features like Compass Waypoints and Backtrack adds versatility for hikers and climbers, making it ideal for rugged exploration.