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Important Modern & Vintage Timepieces

Hong Kong, May 10, 2020

LOT 179

IWC - Reference 1832, self-winding, anti-magnetic, centre-seconds, date; “Ingenieur SL”, so-called “Jumbo”; stainless steel

Stainless steel, self-winding, tonneau-shaped, anti-magnetic, gentleman’s wristwatch, water-resistant with screwed case-back, “ardoise” dial with centre-seconds and one horological complication: • half-instantaneous date of the month (aperture at 3 o’clock).

Brand International Watch Co., Schaffhausen / Schaffhouse

Model “Ingenieur SL”, so-called by collectors “Jumbo”

Year Circa 1977

Case No. 2 203 163

Material stainless steel

Bracelet integrated stainless steel IWC “Ingenieur” bracelet with deployant clasp

Caliber 8541, 11’’’ ½

Signature dial, case and movement

Accessories Extract from the Archives

HKD 94,000 - 118,000

USD 12,000 - 15,000 / EUR 11,000 - 13,700 / CHF 12,000 - 15,000

Sold: HKD 125,000


Grading System
Grade: AAA

Excellent

Case: 2

Very good

Movement: 1 *
Dial: 1-01

As new

HANDS Original


Notes

The Extract from the Archives, dated November 11, 2019, mentioned that this watch was sold on June 1st, 1977.
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IWC, “Ingenieur SL”
In the mid-1970’s, as the arrival of quartz watches harmed the Swiss watch industry, the great manufacturers reacted late by launching new models of watches made by young designers.
These watches are disruptive, informal and casual! Their stylistic codes go against everything we’ve seen before. These are high-class sports watches with integrated bracelets, which are a radical break from the traditional wristwatches of these important houses.
Audemars Piguet launches its “Royal Oak”, Patek Philippe its “Nautilus”, IWC its “Ingenieur SL”; all three designed by Gérald Genta (1931-2011), a Genevan designer jeweller, and, in 1977, to celebrate its 222nd anniversary, Vacheron Constantin launched its “222”, designed by Jorg Hysek, a young German designer (born in 1953).