What is the difference between apple watch 7 and 8

- What is the difference apple watch 7 and 8
- Apple watch series 8 and 7 difference
- What are the differences between apple watch 7 and 8
- What is the difference between apple watch 7 8 and 9
- What is the difference between apple watch series 7 and 8
- What is the main difference between apple watch 7 and 8
- What is the difference between apple watch series 7 8 and 9
- Difference between apple watch 7 and 8 reddit
- Is there much difference between apple watch 7 and 8
- Difference between apple watch 6 7 and 8