![IWC | REFERENCE 866 INGENIEUR A STAINLESS STEEL AUTOMATIC WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | Watches Weekly | New York | 2020 | Sotheby's IWC | REFERENCE 866 INGENIEUR A STAINLESS STEEL AUTOMATIC WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | Watches Weekly | New York | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/3eeb233/2147483647/strip/true/crop/2000x1453+0+0/resize/2048x1488!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Faa%2Fdb%2F686dc47c4c72884d9df54b9157c5%2Fn10535-bn7z4-37-6.jpg)
IWC | REFERENCE 866 INGENIEUR A STAINLESS STEEL AUTOMATIC WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | Watches Weekly | New York | 2020 | Sotheby's
![IWC | REFERENCE 866 INGENIEUR A STAINLESS STEEL AUTOMATIC WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | Watches Weekly | New York | 2020 | Sotheby's IWC | REFERENCE 866 INGENIEUR A STAINLESS STEEL AUTOMATIC WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | Watches Weekly | New York | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/a98cb07/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fc9%2F2b%2F3c89681d48d2b3fab01fa883cc28%2Fn10535-bn7z4-37-1.jpg)
IWC | REFERENCE 866 INGENIEUR A STAINLESS STEEL AUTOMATIC WRISTWATCH WITH DATE AND BRACELET, CIRCA 1970 | Watches Weekly | New York | 2020 | Sotheby's
![IWC Ingenieur 666/866 Aquatimer 812 Yacht Club I for $202 for sale from a Private Seller on Chrono24 IWC Ingenieur 666/866 Aquatimer 812 Yacht Club I for $202 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/24385312-cruu1msddjuqqziyfjxhw49x-ExtraLarge.jpg)