Apple watch
I want to buy a Apple Watch series 6 gps with cellular in the states but use it in Sweden. Is that possible?
Apple Watch
Click on Watch
Brings you to this page https://www.apple.com/se/watch/
That is direct from Apple, if you are looking for a 3rd party vendor, that I can't help you with.
If you wish to purchase it the USA and use in Sweden the watch will not work.
Purchase it in your country.