Description Cal. 1904-CH MC, Ref. 3666, automatic movement, square grey dial with Roman numerals, subdials for chronograph and aperture for date at “6”, 35 jewels, case no. 120183UX, to a Cartier leather bracelet with steel deployant clasp, 44 x 34.5 mm, box and guarantee booklet, model: Tank Americaine , A steel gentlemen's chronograph wristwatch, Cartier