1023
IWC
Ref. 1832
Ingenieur SL “Jumbo”
An attractive, large and early stainless steel wristwatch with center seconds, date, integrated bracelet and presentation box
Estimate
HK$100,000–200,000
€10,900–21,800
$12,800–25,600
Live 31 May, 12 PM Hong Kong SAR China Time
Manufacturer
IWC
Year
1980
Reference No
1832
Movement No
2’176’271
Case No
2’223’239
Model Name
Ingenieur SL “Jumbo”
Material
Stainless steel
Calibre
Automatic, cal. 8541, 25 jewels
Bracelet/Strap
Stainless steel IWC bracelet stamped “04”, max length 220mm
Clasp/Buckle
Stainless steel IWC deployant clasp
Dimensions
40mm diameter
Signed
Case, dial, movement, bracelet and clasp signed
Accessories
Accompanied by IWC fitted presentation box and service invoice. Delivered with IWC Extract from the Archives confirming the date of sale of the present timepiece on 31st August 1980 at IWC Frankfurt.
Full-Cataloguing
Good To Know:
- First generation of the IWC Ingenieur SL
- Antimagnetic 8541 caliber
- Confirmed by the Extract from the Archives
Nicknamed the “Jumbo” for its muscular 40mm diameter, the IWC Ingenieur SL (Steel Line / Sports Line) was in production from 1976 until 1984 with a remarkably limited output of approximately 543 pieces produced across stainless steel and two-tone combinations. Its distinctive dial boasts a captivating chequered waffle pattern that dances with light in a display of subtle, understated elegance—never flashy, always refined.
At its heart lies the Pellaton self-winding calibre 8541ES, shielded by a soft iron Faraday cage that delivers exceptional antimagnetic protection up to 80,000 A/m (1,000 gauss)—a technical feat IWC pioneered back in 1955. This robust movement also incorporates a hacking seconds function for precise time-setting and a practical date complication.
The present example is preserved in excellent overall condition, showcasing the sought-after first-generation bracelet with its distinctive center links featuring rounded corners—a detail later revised to wider, squared-off aesthetics for subsequent iterations.
Adding contemporary allure, Brad Pitt wore the Ingenieur SL ref. 1832 —customized with a striking green dial recently in his starring role as the veteran racer Sonny Hayes in the film F1. While the on-screen spotlight has reignited interest in this under appreciated Genta masterpiece, this is the chance to own the origin of where the model started.
- First generation of the IWC Ingenieur SL
- Antimagnetic 8541 caliber
- Confirmed by the Extract from the Archives
Nicknamed the “Jumbo” for its muscular 40mm diameter, the IWC Ingenieur SL (Steel Line / Sports Line) was in production from 1976 until 1984 with a remarkably limited output of approximately 543 pieces produced across stainless steel and two-tone combinations. Its distinctive dial boasts a captivating chequered waffle pattern that dances with light in a display of subtle, understated elegance—never flashy, always refined.
At its heart lies the Pellaton self-winding calibre 8541ES, shielded by a soft iron Faraday cage that delivers exceptional antimagnetic protection up to 80,000 A/m (1,000 gauss)—a technical feat IWC pioneered back in 1955. This robust movement also incorporates a hacking seconds function for precise time-setting and a practical date complication.
The present example is preserved in excellent overall condition, showcasing the sought-after first-generation bracelet with its distinctive center links featuring rounded corners—a detail later revised to wider, squared-off aesthetics for subsequent iterations.
Adding contemporary allure, Brad Pitt wore the Ingenieur SL ref. 1832 —customized with a striking green dial recently in his starring role as the veteran racer Sonny Hayes in the film F1. While the on-screen spotlight has reignited interest in this under appreciated Genta masterpiece, this is the chance to own the origin of where the model started.
IWC
Swiss | 1868With a clear focus on technology and development, the Swiss watch manufacturer IWC Schaffhausen has been producing timepieces of lasting value since 1868. The company has gained an international reputation based on a passion for innovative solutions and technical ingenuity. One of the world's leading brands in the luxury watch segment, IWC crafts masterpieces of haute horlogerie at their finest, combining high precision with masculine design. Vintage wristwatches such as the oversized Portugieser, Aquatimer, Ingenieur and the B-UHR pilots watch are especially desirable for collectors.