Is your running watch as serious as you are? The Polar M430 Running Watch isn't out for just an ordinary jog; it's a running watch with advanced training features that are personal and adaptive for your specific routine. While easily, accurately, and reliably measuring your heart rate from your wrist, it tracks your pace, distance, and altitude with an integrated GPS. You'll get the serious data you need to improve your performance with every run. Continue reading this article.