![IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL BRACELET WATCH WITH DATE CIRCA 1978 | Watches Weekly | London | 2020 | Sotheby's IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL BRACELET WATCH WITH DATE CIRCA 1978 | Watches Weekly | London | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/d489de7/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F0d%2F10%2F5250ae144473bbc2431a291589a2%2Fl20079-blvqb-1.jpg)
IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL BRACELET WATCH WITH DATE CIRCA 1978 | Watches Weekly | London | 2020 | Sotheby's
![IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL WRISTWATCH WITH DATE AND BRACELET CIRCA 1978 | Watches Online | 2020 | Sotheby's IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL WRISTWATCH WITH DATE AND BRACELET CIRCA 1978 | Watches Online | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/8a1590e/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fe1%2F75%2F57f5d81e45c1b7df493620f5815f%2Fge2011-b9c28-3.jpg)
IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL WRISTWATCH WITH DATE AND BRACELET CIRCA 1978 | Watches Online | 2020 | Sotheby's
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IWC - Reference 1832, self-winding, anti-magnetic, centre-seconds, date; “Ingenieur SL”, so-called “Jumbo”; stainless steel | Important Modern & Vintage Timepieces | Hong Kong, May 10,2020
![IWC REF. 1832, INGENIEUR SL JUMBO, STEEL | Important Modern & Vintage Timepieces | Hong Kong, November 29,2020 IWC REF. 1832, INGENIEUR SL JUMBO, STEEL | Important Modern & Vintage Timepieces | Hong Kong, November 29,2020](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/334/lots/64/64.jpg)
IWC REF. 1832, INGENIEUR SL JUMBO, STEEL | Important Modern & Vintage Timepieces | Hong Kong, November 29,2020
![IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL WRISTWATCH WITH DATE AND BRACELET CIRCA 1978 | Watches Online | 2020 | Sotheby's IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL WRISTWATCH WITH DATE AND BRACELET CIRCA 1978 | Watches Online | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/1f/e0/b2ccb8a8412d8d5d226f09e6cd02/ge2011-b9c28-7.jpg)