01The Piece

Discover the IWC Portuguieser Chronograph Ceratanium (2026), where heritage craftsmanship meets timeless style. Crafted in ceratanium, its black dial brings effortless presence. At 41mm, it balances modern proportion with classic refinement.

Included with this watch

  • Original box and papers
  • 12-month KettleClub warranty
  • Free fully-insured UK delivery
  • 7-day return window
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 1
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 2
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 3
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 4
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 5
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 6
IWC IW371631 Black PORTUGUIESER CHRONOGRAPH CERATANIUM 41mm 2026 — view 7

The Gallery

Every angle

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The Story

About this Portuguieser Chronograph Ceratanium

Here we have the IWC Portugieser Chronograph Ceratanium- Black

This is a 41mm model that features a ceratanium case and rubber strap.
Ceratanium®—a proprietary IWC-developed material that merges the lightness and structural strength of titanium with the scratch resistance and hardness of ceramic, finished in a matte black metallic look without any surface coating

This version of the Portugieser boasts a stylish black dial with signature vertically arranged chronograph sub dials and slim hands.

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This watch includes
• IWC Box
• IWC Warranty card

This watch has had a full inspection and is in excellent condition.
It was originally purchased in March 2026 and is covered under IWC warranty until at least March 2028, we are happy to provide an additional and complimentary 1 year warranty with this watch that begins at the expiry of the manufacturer’s warranty.

The KettleClub Promise

Every piece, assured.

Authenticated

Every piece is sourced, serviced and inspected in-house before sale.

Insured Delivery

Complimentary fully-insured next-day shipping across the UK.

7-Day Returns

Not the right fit? Return within seven days of receipt.

Visit Our Showroom

View in person by appointment at our London showroom.

Buying with confidence

Frequently asked questions.

  1. Yes — every piece is sourced, serviced and inspected by our in-house specialists before it is listed. Where original papers are present, we verify serial numbers directly against the maison’s records.

  2. Each listing states its full set in the specifications — look for the Box & Papers badge. Pieces without papers are priced accordingly and still carry our full authenticity guarantee.

  3. Absolutely. Tell us what you are wearing and what you are after — we will value your piece within 24 hours and offset it against your purchase, handled door to door with insured collection.

  4. Yes — most pieces can be secured with a deposit, with the balance settled before delivery. The watch is withdrawn from sale the moment your deposit is placed.

  5. Complimentary fully-insured next-day delivery across the UK, signature on receipt. International delivery is available by arrangement — contact us before ordering.