Pocket watch with cockerel. Three-tone gold (750) case decorated with a dog sitting in front of a vase in a park, garlands and falls of knotted roses, and pearled ribbon races. White enameled dial, hour markers with Roman numerals for the hours, chemin de fer and Arabic numerals for the minutes. Spiral movement with key winding. Plate signed "Duchêne Geneve" and numbered 121205. On-demand striking (mechanism to be revised). Last quarter of the 18th century. Gross weight : 65,3 g. - Diameter: 4.2 cm. Hairline and chip on the dial; wear and scratches on the decoration; one screw missing.