Which is a better watch to buy 7 or SE

Go here and you can compare the devices side by side. Apple Watch - Compare Models - Apple You are the best one to determine which one of the devices best meets your needs and desires based on what the devices can do. This comparison will allow you to look at the specifications for both devices side by side.

I’m a big guy. So the series 7 at 45mm is really nice for me.

SE watch is cheaper,watch 7 has many more features,if price isn't important then it has to be the watch7.