Patek Philippe Ladies First Bicompax Chronograph watch

cushion case 39x35 mm. in 18kt gray gold, round opaline gray dial surrounded by 116 brilliant cut diamonds circa .0.55 ct, two auxiliary dials for the chronograph function at 3 o'clock and second counter at 9 o'clock, transparent sapphire crystal caseback with visible movement, manual winding movement, n. 5689659/4594522, caliber CH 29-535 PS, power reserve approx. 65 hours, original leather strap with signed 18kt white gold buckle, case, dial and movement signed. Complete with box, guarantee, documents, leather and fabric case and spare strap