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...
![Polar M430 Wrist-based Heart Rate GPS Watch w/ Smartphone Notifications | Gadget Explained Reviews Gadgets | Electronics | Tech Polar M430 Wrist-based Heart Rate GPS Watch w/ Smartphone Notifications | Gadget Explained Reviews Gadgets | Electronics | Tech](https://2.bp.blogspot.com/-xvctIug9kTQ/Wd-hBNKYZeI/AAAAAAAAR5M/HIEFBdi4Q1UjzW6C2wm05jttZ25Fk_C5ACK4BGAYYCw/s640/IMG_20171012_170009.jpg)