These smartwatches are compatible w/ Wear OS 3 - 9to5Google

Google has so far confirmed that only a handful of current and upcoming smartwatches will be upgradeable to Wear OS 3 later this year.

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Mobvoi finally begins rollout of Wear OS 3 for TicWatch series (but did not provide any other details about the rollout, however) : r/WearOS

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