Patek Philippe. An exceptional 18K gold perpetual calendar chronograph wristwatch with moon phases Signed Patek Philippe, Genève, retailed by Serpico y Laino, Caracas, ref. 2499, first series, movement no. 868’341, case no. 687’757, manufactured in 1952 Movement: cal. 13’’’, 23 jewels, signed Dial: signed by maker and retailer Case: snap on back, 37.6 mm. diam., signed by maker, stamped S.&L. by retailer With: 18K gold Patek Philippe buckle, Extract from the Archives confirming manufacture of the present watch in 1952 and its subsequent sale 2 March 1956