IWC
Ingenieur Perpetual Calendar 41 IW344903
41.6mmCurrent Production
Retail: $40,800
The Ingenieur Perpetual Calendar 41 is the first stainless steel model to combine the Gérald Genta-inspired Ingenieur design with the perpetual calendar developed by Kurt Klaus.
Source: IWC website, last updated Mar 2026
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