Can any Apple Watch work with any iPhone?

Related questions

1. Does Apple watch need iPhone?
2. Can Apple Watch replace my iPhone?
3. Is Apple watch compatible with iphone6?
4. Can I run with Apple watch without my iPhone?
5. Can you use an Apple watch 4 without an iPhone?
6. Is iPhone required for Apple Watch 4?
7. Which iphones work with Apple Watch 4?
8. Can I replace my Apple Watch screen?
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Tags

1. #later
2. #apple
3. #customize
4. #running
5. #requires
6. #which
7. #organize
8. #download
9. #notifications
10. #iphone
11. #watch