Swiss yellow gold five-minute repeating dress watch Circa 1910

Gold keyless lever watch made for Tiffany & Co. 
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An 18 carat gold Swiss watch with extra adjusted movement, circa 1910. A polished, bassine case with a hinged gold cuvette. Gold dial with Breguet numerals, outer minute track, subsidiary seconds and blued steel spade hands. Extra movement, Geneva striping decoration, 31 jewels, wolf’s tooth winding, straight-line lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring, and an index regulator. Case, dial and movement signed by retailer, case and movement signed by the manufacturer.
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Diameter: 48 mm
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Signed: Patek Philippe & Co  Genève
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The case is slightly scratched.