IWC · Portugieser

Strap for Portugieser Grande Complication Platinum

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 diameter45 mm
ReferenceIW3774-01 (aka: 3774-01, IW377401)
FamilyPortugieser
MovementIWC caliber 79091 hours, minutes, small seconds | date, day, month, perpetual calendar, year indicator | Chronograph | moonphase | minute repeater
Year2015
CasePlatinum

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 IW3774-01 (aka: 3774-01, IW377401)

Selected for the 18 mm lug width

All 18 mm straps →

The Portugieser IW3774-01 (aka: 3774-01, IW377401), seen from the bench

The Portugieser IW377401 is equipped with the IWC 79091 calibre featuring perpetual calendar, chronograph, moon phase, and minute repeater functions. The watch displays date, day, month, and year indications, in addition to the classic hours, minutes, and small seconds. The movement also integrates a minute repeater system on demand.

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