W.R.C.
62
Ref. 4404 in books.....
Feb 16, 2020,03:34 AM
Collecting Patek Philippe Wristwatches, Vol. II (by Osvaldo Patrizzi)
PAGE 273 - ref. 4404/4 18k white gold
Patek Philippe the Authorized Biography (by Nicholas Foulkes) PAGE 260 - ref. 4404 G (1978)