IWC · Portugieser

Strap for Portuguese Yacht Club Chronograph 43.5 Stainless Steel / Blue / Summer Edition

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

ReferenceIW3905-07 (aka: IW390507)

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 IW3905-07 (aka: IW390507)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Portugieser IW3905-07 (aka: IW390507), seen from the bench

The Portugieser IW390507 is equipped with the IWC 89361 automatic caliber with flyback chronograph functions, small seconds, and date. The movement offers indication of hours, minutes on separate dials and a chronograph with fly-back. The reference is part of the IWC Portugieser collection characterized by large diameter dials and classic layout.

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