Review: Running or not, you'll want the Polar M430 on your wrist | Ars Technica
Polar M430 HR Review | Tested by GearLab
Polar M430 GPS Running Watch WHT 90064405 for sale online | eBay
Best Marathon Running Watch: Polar M430
Polar Brunei - Polar M430 Special Price $339.00 with FREE DELIVERY* Wrist Based Optical Heart Rate Advanced GPS Indoor Running Data Activity Tracking Running Program Running Index Sleep Plus Fitness Test Ultra
Hands-on: Polar's M430 GPS watch with optical HR | DC Rainmaker
Polar M430 fitness watch now offers 24/7 heart rate monitoring | Digital Trends