Apple Watch
My watch lost its pairing to my iPhone and won’t pair now. I’ve completed factory resets, but I can’t erase because it can’t connect to erase.
Apple Watch Series 7, watchOS 8
User profile for user:
Community User
From a web browser,sign in to iCloud.com with your Apple ID.
Go to Find iPhone.
Click All Devices at the top of the screen.
Click your Apple Watch.
Click Erase [device]. Select Next until the device is erased.
Click Remove from Account.