Polar M430 vs M400 Vs M600 Specifications & Comparison
Meet the Polar M430, a $230 running watch 'built for accuracy'
Polar M430 vs Polar M600: What is the difference?
Amazon.com: Polar M600, White, One Size : Sports & Outdoors
Polar - We're pleased to announce the birth of two new editions to the Polar running watch family. Polar M430 in all black. Polar M430 in white, with a shorter wristband. https://polar.com/m430
Polar M600 smartwatch to get Android Wear 2.0, new swimming metrics, and battery improvements this spring