IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL BRACELET WATCH WITH DATE CIRCA 1978 | Watches Weekly | London | 2020 | Sotheby's
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
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IWC Ingenieur Jumbo | Chrono24.com
The "Jumbo" Ingenieur SL
IWC Ingenieur SL Automatic – Analog:Shift
IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL WRISTWATCH WITH DATE AND BRACELET CIRCA 1978 | Watches Online | 2020 | Sotheby's
IWC Ingenieur SL Stainless Steel 1980s - Gisbert A. Joseph Watches
IWC Ingenieur: The anti-magnetic watch for scientists