IWC · Portugieser

Strap for Portugieser Yacht Club Chronograph Stainless Steel / Blue / Bracelet

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

21mm

21 mm straps All IWC

Lug width21 mm

Case diameter45 mm

ReferenceIW3907-01 (aka: IW390701)

FamilyPortugieser

MovementIWC caliber 89361 Hours, Minutes, Small Seconds | Date | Chronograph, Flyback

CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Portugieser IW3907-01 (aka: IW390701)

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Portugieser IW3907-01 (aka: IW390701), seen from the bench

The Portugieser IW390701 is powered by the IWC 89361 automatic caliber with flyback chronograph, small seconds, and date functions. The movement offers hours, minutes, small seconds, date indication, and a chronograph with flyback function. The reference belongs to the IWC Portugieser collection, characterized by a classic design with a clean and legible dial.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only