Tudor, Black Bay Chrono, reference 79360N, 41 mm automatic chronograph watch in steel. Polished and brushed steel case, silver dial with black sub-dials, steel Jubilee bracelet. Tudor in-house automatic movement, calibre MT5813, with integrated chronograph and date. In good condition. The Black Bay Chrono 79360N is Tudor’s first in-house chronograph watch — a landmark model. 41 mm (vertical) x 41 mm (horizontal). Outer box, inner box, user manual, warranty card.