Breitling Chronomat Yachting ref B13047 A stainless steel and gold automatic chronograph yachting wristwatch with bracelet, circa 1990. Dial: blue Calibre: cal. 7750 automatic, 25 jewels. Case: stainless steel and gold tonneau-form with screw-down back. Case Number: 81158. Closure: stainless steel Breitling bracelet and folding clasp. Dimensions: 39 mm diameter. Signed: case, dial and movement. Accessories: Breitling international guarantee dated 19 July 1990, instruction booklet and presentation box, the rotor post screw has been sheared off, the watch can still be manually wound.