Tudor Black Bay 58 Blue - 39mm 79030B DiscontinuedOverview The Tudor Black Bay 58 reference 79030B in blue has been discontinued. Tudor replaced the first generation BB58 lineup with an updated case and bracelet construction, which closed out this specific reference in blue. A brand new unworn example with April 2026 papers is new old stock a distinction that matters differently to a buyer than a preowned piece of the same watch. The 39mm case is the defining characteristic of the BB58 relative to