If you have a Series 6 then you basically already have a Series 7. So if you have an Apple Watch older than a Series 6, and you haven’t been compelled yet to switch, you’ll do just as well to continue waiting.
Faster charging, finally, While largely imperceptible in most conditions, more screen and less bezels are always good, Still the best smartwatch experience by a longshot, QWERTY keyboard text input beats all other modes, New colors! This includes a lighter (better) blue, Supposedly stronger screen
Same one-day battery life, Fitness and health data are too broad and decontextualized to inspire much engagement, It’s essentially a Series 6, The Series 7’s QWERTY keyboard exclusivity is totally unnecessary