How to pair my apple watch to my new iphone 15

- How to pair my apple watch to my new iphone 15 pro
- How to pair my apple watch to my new iphone 15 pro max
- How to pair my existing apple watch to my new iphone 15
- How to pair my old apple watch to my new iphone 15
- How to pair my old apple watch to my new iphone 15 pro
- How to pair apple watch with new iphone