18ct white gold Patek Philippe Calatrava 5296G-010. 38mm case diameter. Caliber 324 S C Mechanical self winding movement. 29 jewels, 213 parts, 28,800 vph. Water resistant to 30 meters. Opaline White dial with white gold applied hour markers. Date at the 3 o’clock position. Sapphire crystal case back. Patek Philippe black croc strap with 18ct white gold pin buckle. Box and papers dated July 2012. Our reference S19550.