IWC Schaffhausen
Portugieser Chronograph Ceratanium IW371631
IW371631
The 1,500-piece IW371631 is the first Portugieser made from IWC’s lightweight, scratch-resistant Ceratanium alloy.
Price not confirmed
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Specifications
| Reference | IW371631 |
|---|---|
| Style | chronograph |
| Movement | automatic |
| Calibre | IWC calibre 69355 automatic column-wheel chronograph |
| Diameter | 41 mm |
Omitted specifications have not been confirmed. From published article 2026-10-24. Original source ↗
Read the stories
IWC sends the Portugieser Chronograph into all-black Ceratanium ↗