- IWC expands upon the Gerald Genta-designed Ingenieur with a 35mm version, available in stainless steel and 18-carat 5N gold
- The Ingenieur Automatic 35 features the 47110 calibre, found in the Ingenieur Automatic 3521 produced from 1993 to 2001
- The brand has also expanded the line in other ways, including a ceramic version, an F1 movie tie-in watch, and a perpetual calendar
Gerald Genta was not responsible for the first Ingenieur, which originally debuted in the 1950s as an antimagnetic watch for scientists.
However, the designer’s ’70s-era makeover means the brand’s luxury sports watch will forever be compared to the Royal Oak and Nautilus that also bear his signature. (Of course, an integrated bracelet and porthole-style case also help.)
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Today, Genta’s take on the watch lives on in the form of the Ingenieur Automatic 40 — released in 2023 — and now the newer, slimmed-down Ingenieur Automatic 35, making its debut at Watches and Wonders Geneva this year.

As the name suggests, the Ingenieur Automatic 35 has a case that measures just 35mm. But the thickness also slims down to 9.44mm (compared to 10.7mm on the Ingenieur Automatic 40).