Here's how you can pair a Wear OS smartwatch with a new phone without resetting it, thus retaining all the apps and data onboard the watch.
How to Pair Wear OS Smartwatch With a New Phone Without Factory Reset - Guiding Tech
Pair Android Wear Watches to New Phones Without Factory Resetting
How to Set Up and Pair Google's Pixel Watch with Any Android Phone
Wear OS 4 now rolling out to the Galaxy Watch 5 series while Pixel Watch users continue to wait - PhoneArena
How to factory reset your Wear OS smartwatch - Android Authority
Wear OS 4 may finally allow you to switch phones without factory resetting your watch - GSMArena.com news
Suunto 7 - Get started - Set up and pair your Suunto 7
My phone wont sync to my fossil smart watch super frustrating!!?? Can anyone help?? - Wear OS by Google Community
How to factory reset your Wear OS smartwatch - Android Authority
The Pixel Watch app can now sync Bedtime Mode with Pixel Watch 2
Set up your watch - Android - Wear OS by Google Help