The garmin fenix 3 sapphire hr watch is a stylish technical watch that is ideal for the outdoors statistician the fenix 3 sapphire hr closely monitors performance to garner comprehensive information including fields such as running dynamics stride length and vertical ratio as well as offering recovery advicer r featuring the stainless steel exo antenna the fenix sapphire hr watch has a fully functioning navigational facility that receives both gps and glonass signals to provide highly ac