Swiss two-colour gold skeletonized complicated lever Circa 1980

Multi-coloured gold skeletonized lever watch by Gérald Genta
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A very fine Swiss 18 carat two-colour gold skeletonized lever pocket watch with perpetual calendar and moon phases, circa 1980. Lever movement. Dial skeletonized, subsidiary dials for the days of the week, months combined with leap year indication, date and moon phases at 12 o’clock. Multi-coloured gold case, stepped bezel and bow, snap-on sapphire crystal display back. Dial signed, case and movement signed and numbered. Comes with a copy of the Gérald Genta Certificate and the original presentation box.
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Diameter: 43.5 mm
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Signed: Gérald Genta
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Gérald Genta who designed both the Patek Philippe Nautilus and Audemars Piguet Royal Oak is considered one of the greatest watchmakers of the last century.