Swiss 18k yellow gold minute repeating pocket watch Circa 1975

Gold open faced lever by Patek Philippe & Cie
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A very fine Swiss, large, minute repeating, 18K yellow gold, keyless pocket watch, circa 1975. Accompanied by the Extract from the Archives. The movement made in 1912, completed and cased in 1975, sold on April 29, 1976. White enamel dial, Breguet numerals, outer minute track, subsidiary seconds. Blued steel spade hands.
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A rhodium-plated movement, Geneva striping decoration, 31 jewels, wolf’s tooth winding, counterpoised straight-line lever escapement, cut bimetallic compensation balance adjusted to heat, cold, isochronism and five positions, blued steel Breguet balance spring, swan-neck micrometre regulator, repeating on gongs activated by a slide on the band. Dial, case and movement signed.
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Diameter: 56 mm
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Signed: Patek Philippe & Cie  Genève