Polar has unveiled two new version of its Grit X sports watch, with tougher materials that also shave a few valuable grams off the weight, plus improved navigation tools for runs, hikes and bike rides off the beaten path.

When we reviewed the original Polar Grit X back in June 2020, we were impressed by its understated but sturdy design. The new Polar Grit X Pro takes that even furtherm with a sapphire glass lens (like that used on top-end Garmin watches), and a premium rubber strap.
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