Swiss platinum limited edition lever with leather cord Circa 2011

Open faced limited edition keyless lever by Vacheron & Constantin
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A fine and rare Swiss platinum limited edition open faced keyless lever watch with leather cord, circa 2011. Collection Excellence Platine, Patrimony Contemporaine pocket watch model. Mechanical movement stamped with the Geneva seal, 21 jewels. Silvered matte platinum dial with applied 18 carat white gold baton and dagger numerals. Case with glazed display snap on back. Case, dial and movement signed, case and movement numbered.
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Diameter: 43 mm
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Signed: Vacheron Constantin Genève Swiss made