Gold Watch no. Unknown

Case: Gold, hunting, winding by the cover, "VD" cipher to cover, 33mm. Dial: White enamel, Roman numerals, gold spade hands, unsigned. Movement: Nickel, cylinder escapement, winding by the cover, signed "B. Haas Jne. & Cie., Paris, Geneve, Brevetes SGDG" Provenance: 18?? - Haas Neveux, Geneve 2017 - Cortrie auction, Germany, 11 Nov 2017, sold Euro 1,500, "hochfeine und sehr seltene Damenuhr mit automatischem Aufzug "crown perpetual recessed", Benjamin Haas Jeune, de S. M. l'empereur, Geneva, Besançon-Paris, ac 1880 About Ø33mm, approx. 36g, 18K Gold, à goutte, jump lid with enamelled monogram VD, patented signed automatic winding on Opening and Closing the jump cover, dust cover, Golden wheels, cylinder escapement, a Wheel with wolf-teeth, Board, signed, very beautiful enamel dial with gold minute, original hour hand, an extended, minute hand, passable, but cleaning needed, small signs of wear on the housing, a screw at the factory is defective. The English Patent No. 3945 Benjamin Haas was on 2. In December 1873 for the development of a new and unusual lift in the form of awarded, which was to Use the energy created at the Closing of the front cover of a watch. Haas improved the original System and equipped his watch with a 36-hour power reserve (by twelve of the closures of the lid). He changed the flying barrel by means of an additional wheel, with which he reached by a single lid closure of a lift of three hours. Haas invented in addition, a safety device, he was reared in the mechanism ausklinkte if completely; damage to the cover were avoided. Most of the pocket watches, equipped with this Patent, were men's watches. In the small ladies version of this technically interesting pocket watches are very rare. "