Swiss gold lever with American calendar and moon phases Circa 1983

Gold complicated lever watch by Patek Philippe
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A Swiss 18 carat gold open faced perpetual calendar with American (digital) calendar display and moon phases, circa 1983 and sold on 30 January 1984. Lever movement, 18 jewels. Silvered dial with raised hour markers and Arabic 12, outer minute divisions. Plain case. Case, dial and movement signed, case and movement numbered. Comes with an Extract from the Archives confirming the production of this watch in 1983.
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Diameter: 46 mm
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Signed: Patek Philippe Genève