IWC · Portugieser

Strap for Portugieser Yacht Club Worldtimer Red Gold

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
Lug width22 mm
Case diameter45 mm
ReferenceIW3266-05 (aka: IW326605)
FamilyPortugieser
MovementIWC caliber 35750 Hours, Minutes, Seconds, World Time | Date
CaseRed 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 IW3266-05 (aka: IW326605)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Portugieser IW3266-05 (aka: IW326605), seen from the bench

The IWC Portugieser IW3266-05 in red gold continues a design lineage established in 1939, combining marine precision with daily wearability. The 45.4mm case in 18K red gold houses the IWC caliber 35750 automatic movement with world time, hours, minutes, seconds and date functions. The 22mm lug width is the geometric standard for this model, ensuring correct proportions between case and wrist band, and accommodates both leather straps and compatible bracelets without lateral play.

Frequently asked questions

What is the lug width of the IWC Portugieser IW3266-05?

The lug width (ansa) of the IWC Portugieser IW3266-05 is 22mm. This measurement is critical for choosing the correct strap: measure the gap between the two attachment points (lugs) of the case, perpendicular to the case surface. Do not confuse lug width (22mm) with case diameter (45.4mm). An incorrect measurement results in twisted or dangerously loose straps.

Which strap is best suited to the Portugieser IW3266-05 in rose gold?

Mississippi alligator in navy blue or dark brown tones is ideal: the regular grain reflects IWC's formal design philosophy and creates elegant contrast with rose gold. Vegetable-tanned calf is the European alternative, perfect if you seek pronounced texture and visible patina over time. Shell cordovan is the choice for those who value uniqueness and generational ageing of leather.

How do I change the strap on the IWC Portugieser IW3266-05?

Obtain a spring bar removal tool or a small flat-head screwdriver. Position the watch on a holder, locate the internal spring that secures the strap beneath the case, and gently push to extract it. Repeat for both sides. Insert the new strap by aligning the holes with the case pins, then re-engage the spring bars. If uncertain, contact an authorised IWC service centre.

Can I use a third-party 22mm strap on this model?

Yes. The Portugieser IW3266-05 accepts third-party straps with 22mm lug width and thickness between 20 and 24mm. Always verify that strap width does not exceed case dimensions laterally. Milano Straps' bespoke straps are compatible and allow choice of leather, colour, and deployant buckle configuration.

How long does a natural leather strap last on the Portugieser?

A quality leather strap (alligator, vegetable-tanned calf, shell cordovan) lasts 3–7 years under normal use conditions, depending on wear frequency, sun exposure, and humidity. Vegetable-tanned leather tends to last longer because tannins strengthen fibres over time. Oily leathers deteriorate faster. Milano Straps guarantees 18 months on bespoke straps; actual lifespan depends on maintenance and personal habits.

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