White Gold Ref. 570 Patek Philippe, Genève, "Calatrava", movement No. 712515, case No. 325599, Ref. 570. Made in 1969, sold on June 16th, 1969. Very fine and rare, large center-seconds, 18K white gold wristwatch with an 18K white gold Patek Philippe buckle. Accompanied by the Extract from the Archives. Three-body, solid, polished and brushed, flat bezel, concave lugs, snap-on case back. Matte silver with applied white gold faceted baton markers, outer engraved minutes division. White gold dauphine hands. Cal. 27-SC, stamped twice with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating Breguet balance spring, swan neck micrometer regulator. Dial, case and movement signed. Diam. 35 mm. Thickness 9.5 mm.