Polar Vantage V3 has a collection of biosensing tools
Amazon.com: POLAR Unite Water Resistant Health Tracker GPS Smartwatch with Fitness Monitoring Tools; S-L, for Men or Women, Black : Clothing, Shoes & Jewelry
Polar Grit X GPS Watch In-Depth Review | DC Rainmaker
Polar Grit X Pro GPS Watch - Black DLC for sale online | eBay
Amazon.com : POLAR VANTAGE M –Advanced Running & Multisport Watch with GPS and Wrist-based Heart Rate (Lightweight Design & Latest Technology), Black, M-L : Sports & Outdoors
Best Buy: Polar M400 GPS Watch with Heart Rate Black 90051339
Amazon.com : Polar Pacer Pro Advanced Ultra-Light GPS Fitness Tracker Smartwatch for Runners with Training Program & Recovery Tools; S-L, for Men or Women, Champagne Gold : Sports & Outdoors
Review: Polar Ignite 3 fitness watch
Polar Pacer Pro review: A seriously sporty smartwatch | Digital Trends
Polar Ignite 3 launched: Quicker and better but for a big price hike | nextpit
Polar Ignite 2 Full Specifications, Features and Price - Geeky Wrist