![IWC INGENIEUR SL QUARTZ STEEL case No. 2353437. Made circa 1980. Fine and rare, tonneau-shaped, stainless steel, center seconds, water-resistant, quartz wristwatch with date and an IWC link bracelet with deployant clasp. IWC INGENIEUR SL QUARTZ STEEL case No. 2353437. Made circa 1980. Fine and rare, tonneau-shaped, stainless steel, center seconds, water-resistant, quartz wristwatch with date and an IWC link bracelet with deployant clasp.](https://imageapi.cambiaste.com/api/lotto/immagine/142744/0/800.jpg)
IWC INGENIEUR SL QUARTZ STEEL case No. 2353437. Made circa 1980. Fine and rare, tonneau-shaped, stainless steel, center seconds, water-resistant, quartz wristwatch with date and an IWC link bracelet with deployant clasp.
![IWC Vintage Ingenieur SL Jumbo Ref-9232 18k Yellow Gold Cal-8541 Extract Bj- 1980 Just Serviced 2017 IWC Vintage Ingenieur SL Jumbo Ref-9232 18k Yellow Gold Cal-8541 Extract Bj- 1980 Just Serviced 2017](https://www.bachmann-scher.de/fileadmin/watches/011516/iwc-vintage-ingenieur-sl-jumbo-ref-9232-18k-yellow-gold-extract-bj-1980-just-serviced-2017-g.jpg)
IWC Vintage Ingenieur SL Jumbo Ref-9232 18k Yellow Gold Cal-8541 Extract Bj- 1980 Just Serviced 2017
![IWC Vintage Ingenieur SL Jumbo Ref-9232 18k Yellow Gold Cal-8541 Extract Bj- 1980 Just Serviced 2017 IWC Vintage Ingenieur SL Jumbo Ref-9232 18k Yellow Gold Cal-8541 Extract Bj- 1980 Just Serviced 2017](https://www.bachmann-scher.de/fileadmin/watches/011516/iwc-vintage-ingenieur-sl-jumbo-ref-9232-18k-yellow-gold-extract-bj-1980-just-serviced-2017-c.jpg)
IWC Vintage Ingenieur SL Jumbo Ref-9232 18k Yellow Gold Cal-8541 Extract Bj- 1980 Just Serviced 2017
![IWC Ingenieur unisex 3733 chonograph with steel bracelet for $1,951 for sale from a Private Seller on Chrono24 IWC Ingenieur unisex 3733 chonograph with steel bracelet for $1,951 for sale from a Private Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/26532111-8u801n2upglv0nhla6owbrly-ExtraLarge.jpg)
IWC Ingenieur unisex 3733 chonograph with steel bracelet for $1,951 for sale from a Private Seller on Chrono24
![IWC Ingenieur SL 3305 AKA Skinny Ingenieur + Box, Gerald Genta Design IW3305 For Sale at 1stDibs | iwc 3305, genta iwc, iwc genta IWC Ingenieur SL 3305 AKA Skinny Ingenieur + Box, Gerald Genta Design IW3305 For Sale at 1stDibs | iwc 3305, genta iwc, iwc genta](https://a.1stdibscdn.com/iwc-ingenieur-sl-3305-aka-skinny-ingenieur-box-gerald-genta-design-iw3305-for-sale/j_29012/j_166769421660166882993/j_16676942_1660166883405_bg_processed.jpg)
IWC Ingenieur SL 3305 AKA Skinny Ingenieur + Box, Gerald Genta Design IW3305 For Sale at 1stDibs | iwc 3305, genta iwc, iwc genta
![Sold Price: IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL AND YELLOW GOLD WRISTWATCH WITH DATE AND BRACELET CIRCA 1980 - November 2, 0118 2:00 PM CET Sold Price: IWC | 'JUMBO' INGENIEUR SL, REF 1832 STAINLESS STEEL AND YELLOW GOLD WRISTWATCH WITH DATE AND BRACELET CIRCA 1980 - November 2, 0118 2:00 PM CET](https://image.invaluable.com/housePhotos/sothebys/08/634308/H0046-L157369604_original.jpg)