Swiss 18K rose gold open faced lever pocket watch Circa 1947

Rose gold open faced lever watch by Patek Philippe
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A Swiss 18 carat rose gold open faced lever pocket watch, circa 1947. Sold on April 2nd, 1948. Lever movement, keyless winding, 18 jewels. Champagne-coloured dial with hour indexes and outer minute dots, subsidiary seconds at 6. Plain case, snap-on back. Dial signed, case and movement signed and numbered. Comes with a certificate of origin, the original presentation box and an Extract from the Archives.
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Diameter: 44.5 mm
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Signed: Patek, Philippe & Cie Genève