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Amazon.com : POLAR Pacer Pro - Advanced GPS Sports Watch, Wrist Heart Rate Monitor, Smart Watch for Men and Women, Workout Running Watch, Training Program & Health Recovery Tools, Sleep Monitor &
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Amazon.com: Polar Vantage V2 - Premium Multisport Smartwatch with GPS, Wrist-Based HR Measurement for All Sports - Music Control, Weather, Phone Notifications : Electronics
Amazon.com: Polar G1 GPS Speed and Distance Sensor for FT60 / FT80 : Electronics
Amazon.com : Polar Vantage V Titan - Sports Watch with HRM H10 Chest Strap for Multisport and Triathlon Training with GPS, Heart Rate Monitor, Waterproof : Sports & Outdoors