TUDOR Black Bay Chrono S&G

41 mm steel case, Brown leather strap, 41 mm steel case with polished and satin finish, Fixed yellow gold bezel with matt black anodised aluminium disc with tachymetric scale, yellow gold markings, Manufacture Calibre MT5813 (COSC) Self-winding mechanical movement with bidirectional rotor system, Champagne-colour with black counters, domed, Yellow gold screw-down winding crown with the TUDOR rose in relief Yellow gold screw-down pushers at 2 and 4 o'clock, Domed sapphire crystal, Waterproof to 200 m (660 ft), Brown leather with removable bund, with folding clasp and safety catch.