I've been thinking a lot about water resistance especially among nicer watches.
It seems like most of the luxury watches are rated for under 10-bar, I do understand that most of them are
dress watches and not intended to be used under water.
But some watches that are marketed as "explorer" or travelers watches like the Rolex Oyster Perpetual Explorer are still rated for "only" 10 bars. And even though a dress watch isn't indented to be used for swimming I would expect that a watch for > 1000$ should handle a shower and at least swimming.
So my question is why doesn't watchmakers offer non-dive watches that's waterproof enough for swimming and occasional shallow diving?
This might be common knowledge or it might be that 10bar should be enough for the activities stated above but I haven't been able to find a satisfying answer elsewhere.