Elegant Swiss 18K rose gold ankerchronometer Circa 1885

Rose gold open faced ankerchronometer by Patek Philippe
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An elegant Swiss 18 carat rose gold open faced ankerchronometer pocket watch, circa 1885. Delivered to Rodanet, Paris. Patek Philippe ankerchronometer movement, extra-large balance, moustache lever escapement, winding wheels with wolf’s toothing. White enamel dial with Roman hours and Arabic five minutes, small hairline at the rim, subsidiary seconds, blued steel hands. Plain case, monogram on the back. Case and movement numbered, cuvette signed and numbered, case and movement with matching numbers. Comes with, probably, the original box.
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Diameter: 46 mm
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Weight: 72 g
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Signed: A.H. Rodanet constructeur de chronometres 36 Rue Vivienne Paris – Montre de Patek, Philippe & Co Genève