1972 The antique model Ref.3468 it is. In Calatrava is a thin case. Calatrava is a classic watch also said that the face of the Patek Philippe watch history lasted for about 100 years. Elongated design index is the point is simple, clean, 12 when the FAT index of only. The movement with a Cal.23-300. It is a reputation for completeness and practicality of Patek Philippe's. Small scratches big scars stand out there, but you don't. Good condition considering the age, is recommended.