Tudor Black Bay 54 "Lagoon Blue" | 60-minute unidirectional bezel in stainless steel with mirror-polished steel insert devoid of minute graduations. Manufacture Caliber MT5400 (COSC) Self-winding mechanical movement with bidirectional rotor system 37mm steel case, Blue dial. Stainless steel screw-down crown with the TUDOR rose in relief. Domed sapphire crystal. Waterproof to 200m (660 ft). Five-link stainless steel bracelet with polished and satin finish, with TUDOR “T-fit” clasp
