TUDOR BLACK BAY CHRONO S&G M79363N-0003
41-mm steel case with polished and satin finish. Fixed yellow gold bezel with matte black anodized aluminum disk with tachymetric scale, yellow gold markings. Manufacture Caliber MT5813 (COSC) Self-winding mechanical movement with bidirectional rotor system. Yellow gold screw-down winding crown with the TUDOR rose in relief. Yellow gold screw-down pushers at 2 and 4 o'clock. Black fabric strap with buckle. Waterproof to 200 m (660 ft).