Cobra, Reference 5403/341 | A yellow gold wristwatch with integrated bracelet, diamond indexes and date | Circa 1973 Audemars Piguet Cobra, Reference 5403/341 A yellow gold wristwatch with integrated bracelet, diamond indexes and date Circa 1973 Dial: gilt, diamond-set Calibre: cal. 2121 automatic winding, 36 jewels Movement number: 141'273 Case: 18k yellow gold, screw down case back Case number: 76'752 Closure: 18k yellow gold Audemars Piguet bracelet and folding clasp Size: 35 mm diameter, bracelet circumference approx. 195 mm Signed: case, dial and movement Box: yes Papers: yes Accessories: Audemars Piguet Certificate of Origin and Guarantee, blank warranty booklet, service correspondence and presentation case with outer packaging