Patek Philippe. A very fine and rare 18K gold chronograph wristwatch with pulsation scale and original certificate Signed Patek Philippe, Genève, ref. 5170J-001, movement no. 5’547’198, 4’517’458, circa 2010 Movement: cal. CH 29-535 PS AIG 1, manual, stamped with the PP seal, 33 jewels, signed Dial: baton and Roman numerals, signed Case: glazed display screw back, 40 mm. diam., signed With: 18K gold Patek Philippe deployant clasp, Certificate of Origin stamped Patek Philippe, Salons de Genève, dated 20th December 2010 and leather wallet