The Garmin fēnix 6 Series GPS Smartwatches provide some motivation for your workouts. They let you add music, mapping, intelligent pace planning, and more, so you can challenge yourself when exercising. Altogether, the Garmin fēnix 6 Series includes two editions: Pro and Sapphire. The smartwatch’s technology allows you to monitor your heart rate and gain insight into your fitness activities. Also, the Dynamic PacePro feature enables you to run smarter over various types of terrain. Therefore, the fēnix 6 series..