Amazon.com: Garmin Forerunner® 255, GPS Running Smartwatch, Slate Gray & HRM-Pro Plus, Premium Chest Strap Heart Rate Monitor, Captures Running Dynamics, Transmits via ANT+ and BLE : Electronics
Amazon.com: Garmin Forerunner 245 Music, GPS Running Smartwatch with Music and Advanced Dynamics, Black & HRM-PRO, Premium Heart Rate Strap, Real-Time Heart Rate Data and Running Dynamics, 010-12955-00 : Electronics
Garmin Forerunner 245 Music GPS Running Smartwatch 010-02120-20
Garmin Forerunner 45 vs 245 - Canaan Valley Running Company