Patek Philippe & Cie, Genève, No. 803632, case No. 601416. Made in the 1920s. Very fine, thin, keyless, 18K yellow gold Art Deco dress watch with champlevé enamel decoration. Three-body, solid, polished, bezel and case back with blue champlevé enamel decoration, case back with a blank shield. Matte silver with painted Arabic numerals, outer minute track, recessed subsidiary seconds dial. Blued steel Breguet" hands. Cal. 18, frosted gilt, 15 jewels, straight-line counterpoised lever escapement, cut bimetallic compensation balance, blued steel Breguet balance-spring, wolfs tooth winding wheels. Dial, case and movement signed. Diam. 47 mm.