How to add my apple watch to new iphone

- How to add my old apple watch to my new iphone
- How to add my apple watch to find my iphone
- How do i add my apple watch to new iphone
- How to add my apple watch to iphone
- How to add my apple watch back to my iphone
- How do i add my old apple watch to my new iphone
- How to add another apple watch to my iphone
- How to add my daughter's apple watch to find my iphone
- How to add apple watch to find my iphone app