Rare Swiss 18 carat gold Art Deco dress watch circa 1927

Thin gold pocket watch by Patek Philippe & Cie
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A fine, rare and thin Swiss gold keyless-winding Art Deco dress watch, circa 1927.
Rhodium-plated movement with going barrel, straight-line lever escapement, cut compensated balance, blued steel flat hairspring, and eight adjustments. Polished 18K yellow gold round-shaped case. Silver colour dial with applied Breguet-style radial hours, outer minutes track, and original Breguet-style hands. Dial, case and movement signed.
Accompanied by the original fitted box, certificate of origin, additional glass in its original wrapping paper, and the Extract from the Archives, dated March 9, 2012, that mentioned this watch was sold on January 26, 1927.
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Diameter: 44 mm
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Signed: Patek Philippe, Geneva Switzerland