Swiss astronomical dress watch with six complications Circa 1926

Gold Art Deco dress watch by Audemars Piguet
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A keyless winding, Art Deco, Swiss gold dress watch with six horological complications, and extract from the Archives, circa 1926.
Round-shaped 18-carat yellow gold case with snap on case back. Silvered dial with Breguet numerals, subsidiary seconds at 6, half-instantaneous perpetual calendar, date of the month (subsidiary dial at 3 o’clock), day of the week (subsidiary dial at 9 o’clock; indications given in French), the month of the year (subsidiary dial at 12 o’clock; indications given in French), age and phases of the moon (subsidiary dial, graduated from 0 to 29 A1/2, and aperture at 6 o’clock), and a four-year cycle of leap years (subsidiary dial at 12 o’clock). Very thin, rhodium-plated 17” movement with going barrel, straight-line equilibrated lever escapement, compensated balance and blued steel flat hairspring, and eight adjustments. Dial, case and movement signed.
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Diameter: 46 mm
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Signed: Audemars Piguet & Co. Swiss