30m (3 bar) basically means splash-proof, not even your stated 1m (activity while submerged, I suppose). Like, 30m is IPX4-5, 50m is IPX6 (very rough equivalenc

30m (3 bar) basically means splash-proof, not even your stated 1m (activity while submerged, I suppose). Like, 30m is IPX4-5, 50m is IPX6 (very rough equivalence), so 30m is the barest minimum expected from a watch.