IWC Schaffhausen
Ingenieur Perpetual Calendar 41 IW344904
IW344904
The 41mm reference IW344904 combines grade 5 titanium, an integrated bracelet and IWC’s crown-controlled Kurt Klaus perpetual calendar.

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Specifications
| Reference | IW344904 |
|---|---|
| Movement | automatic |
| Calibre | IWC calibre 82600 automatic |
| Diameter | 5 mm |
Omitted specifications have not been confirmed. From published article 2026-10-24. Original source ↗
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