Fine and rare 18k gold complicated pocket watch Circa 1976

Gold compicated lever watch by Audemars Piguet
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A fine and rare Swiss 18 carat gold minute repeating perpetual calendar split seconds chronograph openface keyless lever watch with moon phases, circa 1976. Nickel finished lever movement, 36 jewels, bimetallic compensation balance, micrometer regulator. Silvered dial, applied baton numerals, blued steel split seconds chronograph hands, outer railway Arabic five minute divisions, four subsidiary dials for months and leap year, day, date, constant seconds and moon phases. Plain case, repeating slide in the band, chronograph functions activated by pressing the crown or rectangular button in the band. Case, dial and movement signed.
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Diameter: 49 mm
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Signed: Audemars Piguet