TUDOR Black Bay Chrono | 41mm steel case with polished and satin finish. Fixed steel bezel with engraved tachymetric scale lacquered in black. Manufacture Caliber MT5813 (COSC), self-winding mechanical movement with bidirectional rotor system. Black, domed dial. Screw-down steel winding crown, with the TUDOR rose engraved and black-lacquered, with black anodized aluminum winding crown tube. Domed sapphire crystal. Waterproof to 200 m (660 ft). Brown aged leather strap with folding clasp and safety catch.

The famous Black Bay family introduced the first TUDOR chronograph, powered by the self-winding Manufacture Caliber MT5813, with a column wheel and vertical clutch.