IWC Ingenieur Perpetual Calendar 41 (Ref. IW344904) @iwcwatches
IWC Ingenieur Perpetual Calendar 41 (Ref. IW344904) @iwcwatches
Uploaded April 2026 | Updated September 2026, 2 weeks ago
A monolithic design, yet the lightest-ever Perpetual Calendar within the IWC collection. The new Ingenieur Perpetual Calendar 41 unites a signature IWC material – grade 5 titanium – with our most emblematic complication.

The case, bezel, and bracelet links showcase a combination of sandblasting, polishing, and satin-finishing. The matte grey dial boasts the characteristic "Grid" structure, while the subdials displaying the calendar information are treated with a circular satin finish, adding visual depth.

Ref. IW344904

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IWC Ingenieur Perpetual Calendar 41 (Ref. IW344904)

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