Patek Philippe first Annual Calendar model- day/date/month, 18K Yellow Gold, Ref.5035j, pre-owned, 37mm- great classic size, from late 90’s, watch movement automatic caliber 315
Patek Philippe Extract document from archives
Gotawatch > All Watches > annual calendar > Patek Philippe > Patek Philippe Classic Annual Calendar 18K Yellow Gold Ref.5035j pre-owned 90’s