Swiss gold perpetual calendar minute repeater Circa 1990

Gold perpetual calendar and minute repeating watch with moon-phases
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A fine Swiss yellow gold perpetual calendar and minute repeating open faced keyless lever watch with leap year and moon-phases indication quantième perpétuel, circa 1990, manual winding lever movement, 29 jewels White enamel dial, Roman numerals, outer minute track, 4 subsidiary dials for day, date, month combined with leap year indication in English and moon-phases with constant seconds, 18k yellow gold case, minute repeating slide to the right band, snap-on case back, case, dial and movement signed.
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Diameter: 50 mm
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Signed: Audemars Piguet
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With a Audemars Piguet certificate and instruction manual.