IWC Ingenieur 34mm 3521 JLC movement with white dial for $10,273 for sale from a Seller on Chrono24
IWC, Ingenieur. - Bukowskis
IWC REF. 3521 INGENIEUR PLATINUM ROTOR STEEL International Watch Co., Schaffhausen, "Ingenieur", Officially Certified Chronometer, Automatic, case No. 2603832, Ref. 3521. Made in the 1990s. Fine, tonneau-shaped, center seconds, self-winding, water ...
IWC Ingenieur Chronometer 3521 Papiere 1993 IWC Service 2019 for $7,047 for sale from a Trusted Seller on Chrono24
3521 IWC Ingenieur | The Hairspring
HODINKEE reviews the vintage ref. 3521 Ingenieur SL from IWC
Review: Rare watches, The Collector's View: The IWC Ingieneur Ref. 3508 -