My BBB and Pelagos have been diving with me in fresh water many times. No problems whatsoever, with the bezels or anything else. I seriously doubt it will have problems in salt water if you clean it in fresh water afterward, like all dive gear. The notion that Tudor never tested the BBB in salt water is doubtful, but them I never believe anything I read on watch forums anyway. FWIW, the Black Bays were made as dive watches for non-divers, since that seems to be the vast majority of the internet watch community. No extension clasp or crown guards are a giveaway they're not for true diving, unlike the Pelagos. Rolex would never make a "poser" dive watch; that's what their Tudor division is for. That said, if it says it's waterproof to 200 meters it is, and you can definitely dive with it. But they're not up to the same standards as the Pelagos or the Rolex divers.
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