![IWC Ingenieur Ref 666, rare stainless steel amagnetic watch with glossy gilt dial, blackout date, 1960 - Parthian Watch Company IWC Ingenieur Ref 666, rare stainless steel amagnetic watch with glossy gilt dial, blackout date, 1960 - Parthian Watch Company](https://i0.wp.com/parthianwatch.com/wp-content/uploads/2022/05/IMG_8362.jpg?fit=3024%2C4032&ssl=1)
IWC Ingenieur Ref 666, rare stainless steel amagnetic watch with glossy gilt dial, blackout date, 1960 - Parthian Watch Company
![IWC International Watch Co.- Schaffhausen – 1960's -18K cal 8531 for $2,363 for sale from a Trusted Seller on Chrono24 IWC International Watch Co.- Schaffhausen – 1960's -18K cal 8531 for $2,363 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/images_78/s4/9677478_xxl.jpg)
IWC International Watch Co.- Schaffhausen – 1960's -18K cal 8531 for $2,363 for sale from a Trusted Seller on Chrono24
![1960's Mint Condition International Watch Co. on Original Vintage IWC Strap and Buckle. IWC Collector's Piece. Top Quality Rare Caliber 401. Perfection. – Corr Vintage Watches 1960's Mint Condition International Watch Co. on Original Vintage IWC Strap and Buckle. IWC Collector's Piece. Top Quality Rare Caliber 401. Perfection. – Corr Vintage Watches](https://corrvintagewatches.com/wp-content/uploads/2019/05/1960s-Mint-Condition-International-Watch-Co.-on-Original-Vintage-IWC-Strap-and-Buckle.-IWC-Collectors-Piece.-Top-Quality-Rare-Caliber-401.-Perfection-3.jpg)
1960's Mint Condition International Watch Co. on Original Vintage IWC Strap and Buckle. IWC Collector's Piece. Top Quality Rare Caliber 401. Perfection. – Corr Vintage Watches
![Iconic 1960's IWC - International Watch Co – Anti Magnetic “Ingenieur” in stainless steel with caliber C8531 | Laurent Fine Watches Iconic 1960's IWC - International Watch Co – Anti Magnetic “Ingenieur” in stainless steel with caliber C8531 | Laurent Fine Watches](https://www.laurentfinewatches.com/watch-expo/expo-vintage/IWC-Ingenieur-SS-Vu-0707-2017/images/01iwcingenieur.jpg)