If you're looking for a fitness watch that truly balances form and function, the Garmin Vivoactive 5 should be at the top of your list. This feature-rich fitness/smartwatch boasts a stylish design, over 20 preloaded sports apps, built-in music storage and Bluetooth headphone support. It has the widest range of all-day health monitoring features available, such as breathing tracking, Body Battery energy monitoring, Pulse Oximeter and more.