IWC · Portugieser

Strap for Portuguese Chrono-Rattrapante Rose Gold / Black

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

Lug width

20mm
Lug width20 mm
Case diameter41 mm
ReferenceIW3712-10 (aka: 3712-10, IW371210)
FamilyPortugieser
MovementIWC caliber 76240 Hours, Minutes | Chronograph, Rattrapante
CaseRose Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Portugieser IW3712-10 (aka: 3712-10, IW371210)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Portugieser IW3712-10 (aka: 3712-10, IW371210), seen from the bench

The Portugieser IW3712-10 is equipped with the IWC 76240 caliber and offers split-seconds chronograph functions in addition to hour and minute indication. The movement allows the measurement of intermediate times thanks to the double-hand seconds mechanism. The reference is also identified as IW371210 in the brand's nomenclature.

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