Wear OS 3: Here's a list of smartwatches getting the upgrade - Dignited
Emporio Armani Smartwatch 3 - Black EPDM Synthetic Rubber - ART5023 - Watch Station
Google Wear OS 3 Coming Soon For Other Smartwatches: Release Date And Expected Features
Amazon.com: TicWatch Pro 3 Ultra GPS Smartwatch Qualcomm SDW4100 and Mobvoi Dual Processor System Wear OS Smart Watch for Men Blood Oxygen IHB AFib Detection Fatigue Assessment 3-45 Days Battery NFC Mic
Wear OS - Wikipedia
You'll Need Wear OS 3 To Use The Smartwatch YouTube Music App
Wear OS buyer's guide: What you need to know - Android Authority
These smartwatches are compatible w/ Wear OS 3 - 9to5Google
Wear OS 3 explained: new screenshots, compatible watches and release date