An 18ct white gold Patek Phillipe Calatrave Clous de Paris wristwatch, ref. 3919 with white ceramic dial, Roman numerals, subsidiary seconds, 18 jewel Cal.215 manual wind movement adjusted to heat, cold, isochronism and 5 positions, Gyromax balance, Geneva stamp, No.1664508, polished round, hobnail bezel, lizard grain band with 18ct white gold Patek Phillipe buckle, size 33 mm, C - 1999, fine condition with certificate of origin, booklet and leather wallet.