Patek Philippe Calatrava Watch - 5227R-00139 mm 18K rose gold case, sapphire crystal back protected by a hinged dust cover, ivory lacquered dial with gold applied hour markers, caliber 324 S C self winding movement with date in an aperture and center sweep second hand, approximately 35 45 hours of power reserve, shiny dark chestnut alligator strap with square scales, prong buckle. Water resistant to 30 m.