IWC · Portugieser

Strap for Portuguese Automatic Red Gold / Boutique Edition

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 diameter42 mm
ReferenceIW5001-24 (aka: 5001-24, IW500124)
FamilyPortugieser
MovementIWC caliber 51011 Hours, Minutes, Small Seconds | Date | Power Reserve Indicator
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 IW5001-24 (aka: 5001-24, IW500124)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Portugieser IW5001-24 (aka: 5001-24, IW500124), seen from the bench

The IWC Portugieser IW5001-24 is a 42.3 mm red gold case watch featuring the automatic IWC 51011 caliber movement. This model continues the 1939 heritage with Arabic indices, leaf-shaped hands, and a milk-white dial, housing complications including small seconds, date window, and a 7-day power reserve. The 22 mm lug width is engineered to balance the case proportions while accommodating moderate-thickness straps.

Frequently asked questions

What is the lug width of the IWC Portugieser IW5001-24?

The IW5001-24 requires a lug width of 22 millimetres. This dimension is standard for this Portugieser line and is essential to ensure proper strap adaptation to the case's metal lugs, avoiding slack or forced fitting.

What is the best strap for the IWC Portugieser IW5001-24 in rose gold?

Cognac or burgundy alligator represents the superior aesthetic choice, as the regular grain and warm tone naturally dialogue with the 18-carat rose gold case. For daily wear, vegetable-tanned calf offers softness and develops a personalised patina over time.

How do I change the strap on my Portugieser IW5001-24?

Strap replacement requires the use of a spring bar tool or specific strap removal implement. Position the watch on a soft surface, locate the pin parallel to the lug, apply gentle outward pressure until detachment occurs. Repeat from the opposite side. Reverse the procedure with the new strap.

Can I use an aftermarket compatible strap with my IWC Portugieser?

Yes, any strap with a 22mm lug width is compatible with the IW5001-24. Artisanal straps permit customisations of leather, colour, thickness and stitching that standard IWC straps cannot always offer, ensuring complete aesthetic personalisation.

How long does a genuine leather strap last on a daily-wear watch like the Portugieser?

A quality strap with vegetable tanning and artisanal craftsmanship resists between 3 and 5 years with periodic maintenance (gentle cleaning, drying, annual conditioning). Daily use accelerates ageing; straps worn 2-3 times weekly can exceed 7-8 years whilst maintaining structural integrity.

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