IWC · Portugieser

Strap for Portugieser Tourbillon Rétrograde Chronograph Platinum / Blue

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm

20 mm straps All IWC

Lug width20 mm

Case diameter44 mm

ReferenceIW3940-07 (aka: IW394007)

FamilyPortugieser

MovementIWC caliber 89900 hours, minutes, small seconds | Chronograph, Flyback, column wheel | tourbillon escapement

Year2024

CasePlatinum

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 IW3940-07 (aka: IW394007)

Selected for the 20 mm lug width · workshop selection

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The Portugieser IW3940-07 (aka: IW394007), seen from the bench

The Portugieser IW394007 is equipped with the IWC caliber 89900 featuring flyback chronograph, column-wheel and tourbillon escapement functions. The movement offers hours, minutes, small seconds and chronograph with flyback mechanism. The reference showcases the advanced technical features typical of high-end IWC watchmaking.

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