Amazon.com: POLAR Vantage V Sports Watch for Running, Cycling, Swimming, Etc. Precision Prime Sensor Fusion Technology Enabled, Waterproof, GPS Watch : Everything Else
Amazon.com: POLAR Unite Waterproof Fitness Watch (Includes Wrist-Based Heart Rate and Sleep Tracking) : Clothing, Shoes & Jewelry
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 & Activity
Suunto sports watches with heart rate monitor and GPS