IWC
Portugieser IW5441-04— lug 20mm
IWC Portugieser IW5441-04: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
IWC IW5441-04The essential strap measurement.
Browse 20mm straps →IW5441-04
IWC caliber 9828 Hours, Minutes, Small Seconds
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Portugieser
FAQ
What is the lug width of the IWC Portugieser IW5441-04?
The 42mm IWC Portugieser IW5441-04 uses a 20mm lug width. This width is specific to the model and balanced with the case diameter. You can verify the measurement with a digital caliper between the internal attachment points of the spring bar, or consult the code stamped on the case itself.
Which strap is recommended for the IWC Portugieser IW5441-04 in rose gold?
Alligator is the reference choice: the fine grain and regular scales pair seamlessly with rose gold. Dark brown alligator creates a formal and refined aesthetic. Aniline calf, in brown or cognac variants, offers superior aging patina and is recommended for wrists that prefer tactile softness.
How do I change the strap on the IWC Portugieser IW5441-04?
The change is made via the spring bars that connect the strap to the case. Use a spring bar tool to gently lift the bar and slide the old strap outward. Insert the new strap into the bar and push until you feel the catch click. Perform the operation on both lugs, or entrust it to a professional watchmaker.
Are there aftermarket straps compatible with the IWC Portugieser IW5441-04?
Yes. Milano Straps offers a dedicated collection of 20mm straps, compatible with your model. The straps are customizable in size, initials, and stitching thread color. It is also possible to order from the Casati Milano atelier for fully custom straps with personal choice of leather.
How long does a leather strap last on the IWC Portugieser IW5441-04?
A quality leather strap (alligator, calf, crocodile) worn regularly lasts an average of 3-5 years before replacement is needed. Longevity depends on frequency of use, ambient humidity, and care. Alligator tends to last longer than calf. Milano Straps straps are made with an 18-month warranty through Casati Milano.
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.
Request an appointment →By appointment only · Milan
The atelier's website: casatimilano.com