IWC watchmaker Sabrina Herzog assembles the Ingenieur Perpetual Calendar 41 (Ref. IW344904) @iwcwatches
IWC watchmaker Sabrina Herzog assembles the Ingenieur Perpetual Calendar 41 (Ref. IW344904) @iwcwatches
Uploaded July 2026 | Updated September 2026, 2 weeks ago
This process covers building the 82600 caliber, showcasing its robust Pellaton winding system and decorated components.

It then integrates the perpetual calendar module, accounting for calendar irregularities. The mechanism is encased in lightweight grade 5 titanium, precisely finished to accentuate its Gérald Genta-inspired design and monolithic profile.

Final configuration of the "Grid" dial and hands, alongside system validation, ensures precision and performance.

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IWC watchmaker Sabrina Herzog assembles the Ingenieur Perpetual Calendar 41 (Ref. IW344904)

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