Erase watch to factory setting if and password
Erase watch to factory settings don’t have I’d or password
Apple Watch Series 8
Question marked as
You cannot. Itounds like you do not recognise this other Apple ID? Did you just buy this Watch used? I suspect that the previous owner did not unlock it
Any Apple device with activation lock still applied is totally useless to the finder unless the original owner can be contacted.
Further information can be found here
About Activation Lock on your Apple Watch - Apple Support