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.

Google News is reportedly getting a Wear OS app

Comment: Samsung and Google's new Wear OS gives the Apple Watch much-needed competition - 9to5Mac

Wearos: Google Maps on WearOS affecting some smartwatch users: Here's how - Times of India

Google: Android/Wear OS & SmartWatch News - AcuraZine - Acura Enthusiast Community

Xiaomi's Upcoming Smartwatch Could Run on Google Wear OS 3: Report

Wear OS 3.5 is here: features, supported watches and everything you need to know

Wear OS 3 Users Who Are Left-Handed Can Now Rotate the Screen 180 Degrees for Easy Operation

Google reveals Wear OS 3 update path for current watches - 9to5Google

Samsung Galaxy Watches to get animated Tiles, golf tracking wih Wear OS 4 update - SamMobile

These smartwatches will be upgraded to Wear OS 3.0 - 9to5Google

Wear OS 5 is being prepared for release later this year by Samsung and Google - Wareable

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