IWC Portugieser Chronograph Ceratanium® (Ref. IW371631) @iwcwatches
IWC Portugieser Chronograph Ceratanium® (Ref. IW371631)  @iwcwatches
Uploaded February 2026 | Updated September 2026, 2 weeks ago
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A completely new dimension of the timeless Portugieser comes into focus, as a limited-edition, all-black execution reduces the design to its most essential form.

The striking aesthetic of the Portugieser Chronograph Ceratanium® (Ref. IW371631) is made possible by a case, crown and pushers in matte black Ceratanium®, marking the first use of this advanced performance material in the Portugieser collection.

#IWCwatches #IWCportugieser #IWCceratanium
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IWC Portugieser Chronograph Ceratanium® (Ref. IW371631)

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