Unique Swiss gold hunting cased lever dress watch Circa 1976

With enamel miniatures of hunting scenes after Carle Vernet by Patek Philippe
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A unique Swiss 18 carat gold hunting cased keyless lever dress watch, both sides with painted on enamel miniatures of hunting scenes after Carle Vernet signed M. Bischoff. Sold by Gübelin, Lucerne on December 6th, 1976. Rhodium-plated movement, Geneva striping decoration, stamped twice with the Seal of the Geneva quality mark, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and five positions, self-compensating flat balance spring, index regulator. Silver dial with black painted Roman numerals and original black Louis XV hands. The band and bezels are engraved with laurel leaves, the case front is decorated with a polychrome enamel scene chasse a courre, the back with le débucher et le Bien taller, both by Marthe Bischoff. Dial, case and movement signed, case and movement numbered, the back cover enamel signed M. Bischoff. Accompanied by a Patek Philippe box, the original Certificate of Origin, Gübelin sales receipt and information from Patek Philippe detailing the commission of the enamels.
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Diameter: 46 mm
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Signed: Patek Philippe Genève
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Along with Suzanne Rohr and L. Pellarin-LeRoy, Marthe Bischoff was one of the few enamellists capable of producing such exquisite work for Patek Philippe. Her scrupulous attention to detail and long experience with the technique of painting on enamel could perhaps be said to have reached its zenith in the creation of the present piece.
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Antoine Charles Horace Vernet (known as Carle) (1758-1835) was a French painter, the son of Claude Vernet. He excelled in the painting of hunting scenes and the depiction of horses. His sister was executed during the French revolution, after which he ceased painting until the Directoire period when his style changed dramatically, and his works depict the battles of Napoleon in minute detail.