IWC · Portugieser

Strap for Portugieser Chronograph Classic Stainless Steel / Silver

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

18mm
Lug width18 mm
Case diameter42 mm
ReferenceIW3903-02 (aka: IW390302)
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

The Portugieser IW3903-02 (aka: IW390302), seen from the bench

The Portugieser IW390302 mounts the IWC 89361 automatic caliber with flyback chronograph and small seconds functions. The movement offers indication of hours, minutes, date and chronograph with instant return function. The case features the characteristic design of the Portugieser collection with a clean and readable 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