Ref. 3548-1, Yellow Gold Patek Philippe, Genève, "Ellipse d'Or", movement No. 1215846, case No. 2725328, Ref. 3548-1.Made in 1972, sold on June 8th, 1973. Fine, oval, 18K yellow gold wristwatch with an 18K yellow gold integral Patek Philippe bracelet with concealed deployant clasp. Accompanied by the Extract from the Archives, a Patek Philippe pouch and Patek Philippe “Ellipse” cufflinks. Two-body, solid, polished and brushed, snap-on case back, sapphire crystal. Satiné blue with applied yellow gold baton indexes. Yellow gold baton hands. Cal. 23-300 PM, rhodium plated, stamped twice with the Seal of Geneva Quality Mark, fausses cotes decoration, 18 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating blued Breguet balance spring. Dial, case and movement signed. Dim. 27 x 32 mm. Thickness 10 mm. Approx. overall length 160 mm.