Apple Watch was expected with some major design change as shown by in leaks but we did get lucky in terms of bigger screen size.
Apple Watch screen is bigger and better.
New tracking modes added
Now you get a full keyboard to type
Fast Charging with 33% faster than usual
No new major features were added as such
5 New colors in Aluminum, rest Stainless Steel, Titanium, and Nike watch colors remain the same with some new bands added to it.
Apple Watch Series 3 starts @ $199, Apple Watch Series SE starts @ $279 and Apple Watch Series 7 Starts @ $399