Swiss gold five-minute repeating pocket watch Circa 1881

Gold keyless lever pocket watch
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A very fine Swiss, early and rare five-minute repeating, 18K yellow gold, keyless pocket watch, circa 1881. Accompanied by the Extract from the Archives. Made for Bailey, Banks & Biddle, Philadelphia in 1881, sold on November 21, 1881. The back cover with engraved initials (WMB). Hinged gold cuvette with dedication inscription.
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White enamel dial with narrow radial Roman numerals, outer minute track with painted 5-minute indexes, subsidiary seconds. Blued steel spade hands. A rhodium-plated movement, Geneva striping decoration, 31 jewels, wolf’s tooth winding, counterpoised straight-line calibrated lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band. Dial, case, cuvette and movement signed Bailey, Banks & Biddle, the case also signed Patek Philippe.
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Diameter: 46 mm
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Signed: Patek, Philippe  Genève
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The case and movement are slightly scratched.