Polar Grit X Accuracy

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Reading Time: 7 minutesHere are some indicative test results from the Polar Grit X on the latest PRODUCTION firmware. There is not too much to comment on in that the GPS Accuracy has little changed from the Vantage series. The new Precision Prime oHR, if anything, is not yet quite as good as the previous version. Back to the main Polar Grit X Review Intro For my personal sports data recording, I’ve given up trying to get accurate optical HR data and accurate pace data from satellites. I use a chest strap, they’re all equally as good these days in…


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