It’s a watch made for every day use man. 4 years doing dishes in a restaurant and not one galaxy watch has had a problem. 3, 4, 5 or 6. There’d be no point in making a watch so delicate that you gotta take it off every 5 minutes. It is made for every day use.
No. If you want stock android, buy a bloody Pixel then because the fact that Samsung have Oneui is a relief to everyone that dislikes stock Android.