How do I unpair my Apple watch from my old iPhone and pair it with my new iphone

Hi Mcraigward,

welcome to the Apple (user-to-user) Community!

Re: "How do I unpair my Apple watch from my old iPhone

and pair it with my new iPhone?"

Congratulations on the new iPhone.

Apple support has an article online (link below) that may help with transferring your Watch from the old phone to the new one.

(NB: There are preparation steps first, and trouble-shooting tips at the end):

As the new iPhone is new to the Watch:

How to pair your Apple Watch with a new iPhone - Apple Support

All the best :-)