Tudor Black Bay 54 Watch, 37mm Blue Dial, m79000b-0002The Black Bay 54 is the most true to form example of TUDORs first dive watch, the reference 7922. The 37mm case retains the classic proportions of yesteryear yet boasts the technical prowess of TUDORs time only Manufacture Caliber MT5400 and a 200m depth rating. TUDOR presents a new addition to the Black Bay 54 line in "TUDOR blue", with a sapphire blue dial and bezel, paired with a perfectly proportioned 37mm case and a Manufacture Caliber. A special