Polar M430 Wrist-based Heart Rate GPS Watch w/ Smartphone Notifications | Gadget Explained Reviews Gadgets | Electronics | Tech
![Polar M430, to repeat the success of the M400, but with optical pulse sensor - Correr una Maratón - Review of Garmin, Polar, Suunto, COROS... Polar M430, to repeat the success of the M400, but with optical pulse sensor - Correr una Maratón - Review of Garmin, Polar, Suunto, COROS...](https://www.correrunamaraton.com/wp-content/uploads/2017/04/polar-m430.jpg)
Polar M430, to repeat the success of the M400, but with optical pulse sensor - Correr una Maratón - Review of Garmin, Polar, Suunto, COROS...
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