How to unpair from a iPhone you don’t have
I am trying to pair my old watch to my new phone i don’t have my old phone or access to it and i did not get to unpair it from the old phone how do i pair it
Apple Watch Series 3, watchOS 8
Question marked as
go to this page
How to pair your Apple Watch with a new iPhone - Apple Support
scroll down to section "If you don't have your old iPhone or you erased it"