All the essentials to help you monitor your fitness, keep connected, track your health, and stay safe. Now up to 20 percent faster than the original SE, with features like Crash Detection and enhanced workout metrics, it’s better value than ever. Get deep insights into your health, including notifications if you have an irregular rhythm or an unusually high or low heart rate. Compatible, swimproof and styish. The enhanced Workout app gives you new ways to train and advanced metrics for more information about your workout performance.