Garmin has focused on style with the Fēnix Chronos, combining the familiar innovative Garmin technology with luxury materials such as titanium, stainless steel, leather and scratch-resistant sapphire glass. But it doesn’t just look stylish; the Fēnix Chronos is packed with advanced training features to help monitor your form and fitness levels. It observes heart rate, counts steps and documents sleep, calories burned and workout intensity. But, it also crunches data to offer running speed, beats per minute and heart rate variability. In addition to other metrics such as recovery advisor with a recovery timer and race predictor, which estimates your ideal finish.