PSA: Look at the heart rate sensor of your fenix 5. Has it cracks like mine? If yes, it's a common problem. Send it to Garmin and get a free replacement. Do
Metal Bezel For Garmin Fenix 6 6x Pro Sapphire Bezel Ring Protector Cover Fenix 3 Hr 5 5x Plus Watch Protective Accessories - Smart Accessories - AliExpress
Garmin Fenix 5 Plus Sapphire Edition vs Garmin Fenix 5X: What is the difference?
Garmin Fenix 5X Sapphire Edition (Slate gray with metal band) GPS multisport training smartwatch with built-in HR monitor at Crutchfield