Polar M430 GPS HRM Watch Review - Believe in the Run
Polar M430 In-Depth Review | DC Rainmaker
Polar M430 first take review: It's an Olympic coach for your wrist - CNET
Polar M430 review - Wareable
Polar M430 | Running watch with GPS tracker and pace | Polar USA
Meet the Polar M430, a $230 running watch 'built for accuracy'
Polar's new M430 flagship running watch has wrist-based heart rate sensors - The Verge
Hands-on: Polar's M430 GPS watch with optical HR | DC Rainmaker
Polar M430 | Running watch with GPS tracker and pace | Polar USA
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