IWC · Portugieser

Strap for Portugieser 325 Silver / Arabic / Feuille

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 diameter42 mm
ReferenceIW325-01 (aka: 325)
FamilyPortugieser
MovementIWC caliber 74 hours, minutes, small seconds
Year1939 - 1970
CaseStainless Steel

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 IW325-01 (aka: 325)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Portugieser IW325-01 (aka: 325), seen from the bench

The IWC Portugieser IW325-01 (325) is a wristwatch launched in 1939 for transatlantic navigators, featuring a 41.50mm stainless steel case with a domed sapphire crystal and a non-rotating bezel. It houses an automatic caliber 74 movement and displays hours, minutes, and small seconds on an open dial with classic Arabic numerals. The watch offers 60 meters of water resistance and requires a 20mm lug width strap, accommodating fixed or straight-bar designs only.

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