French gold repeating chronograph with full calendar Circa 1890

Gold hunting cased grand complication watch
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A fine and rare French 18 carat yellow gold hunting cased pocket watch with chronograph function, striking mechanism, and full perpetual calendar, made by Hector Lévy in Paris, late 19th century. This exceptional grand complication features a crown wind mechanical movement with a lever escapement and a bimetallic compensation balance wheel, marked with the US Patent designation. The white enamel dial is of exceptional complexity, displaying Roman numerals for the hours, a railway minute track with 1/5 second graduation, two subsidiary dials for date and day of the week, an aperture for the month, a subsidiary seconds dial, an aperture for moon phases, a central chronograph seconds hand, and spade hands for the time. The glass is missing.
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The round 18 carat yellow gold case  features a gold cuvette. The case back is engraved with the monogram BC and signed Hector Levy Fab. 139 Bvd Sébastopol Paris. The case and movement are numbered throughout. Accompanied by its original period wooden presentation case, monogrammed BG and inscribed inside Haute Précision, n° 227002, Répétition Quantièmes, a rare and important survival that considerably enhances the historical integrity.
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Diameter: 55 mm
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Weight: 159.5 g
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Signed: Hector Lévy, 139 Boulevard Sébastopol, Paris
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Born in Saint-Quentin in 1847, Hector Lévy was accepted as an adherent member of the Société Horlogère de Paris in 1881. He subsequently established a factory in La Chaux-de-Fonds and a retail address at 139 Boulevard Sébastopol in Paris, working in close collaboration with his brother-in-law Georges Meyer, founder of the UTI factory. A watchmaker, manufacturer and astute businessman, Lévy was recognised as a maker of precision instruments of the highest order. He died in Paris on 17 January 1907 and is buried at Père-Lachaise. Expertised by Geoffroy Ader, assisted by Justine Lamarre.