Tudor, Black Bay Chrono Carbon, reference 79377KN, automatic chronograph. Ultra-light 41 mm carbon case, black dial with sub-dials, rubber strap. Tudor in-house automatic movement, calibre MT5813, two-push-piece chronograph. In very good condition. Height: 51 mm (including lugs), Width: 42 mm (excluding crown), Thickness: 14 mm , Wrist circumference: approx. 13.5–19 cm (9 adjustment holes, 6 mm intervals). Warranty card, outer box and inner box, instruction manual.