Tudor Black Bay 54 - 37mm 79000NOverview The 79000N is the Black Bay 54 in its dive watch configuration rotating bezel, gilt detail, black dial and it makes a different argument from the smooth bezel variants in the same line. Where the polished bezel editions position the BB54 toward versatility, the 79000N's unidirectional rotating bezel and warm gilt finish place it directly in the functional dive watch tradition the 1954 Reference 7922 established. That distinction matters: this