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£59.50£149.00(Save 60%)

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Designed for fitness enthusiasts, the Polar Gear RS300X SD Watch records your heart rate and other essential data during training to help optimise your performance. The Smart Coaching feature helps you train at the required intensity needed for reaching your desired fitness goals.   

Product code: 047771

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How does the RS300X SD measure heart rate is it by chest strap

Submitted by Simon Houghton

Hi Simon. Thank you for getting in touch with us. This Polar watch tracks heart rate information via a chest strap. It does not have a built in wrist based monitor. I hope this answers your question.