Sold Price: Wristwatch: extremely rare IWC Ingenieur SL Ref.1832 from the 1st year of manufacture 1976 with extract from the archives and service papers from 1990 - June 6, 0120 4:30 PM CEST
HODINKEE reviews the vintage ref. 3521 Ingenieur SL from IWC
IWC Ingenieur - Genta's Masterpiece? - The Truth About Watches
IWC Ingenieur - Genta's Masterpiece? - The Truth About Watches