Patek Philippe an 18ct gold oval bracelet watch ref 3581 mvt 1210543 case 2701124 Ellipse horizontal circa 1971, Cal. 23-300 manual winding lever movement, 18 jewels, blue sunburst dial, applied quarter indexes, horizontally oval-shaped case, triangular lugs, snap-on back, case, dial and movement signed, with an 18ct gold mesh link bracelet, diameter 32 mm, overall length approximately 165 mm.