IWC · Portugieser

Strap for Portuguese Chrono-Automatic White Gold / Ardoise / Diamond

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 diameter41 mm
ReferenceIW3714-41 (aka: IW371441)
FamilyPortugieser
MovementIWC caliber 79350 hours, minutes | Chronograph
Year2006 - 2009
CaseWhite 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 IW3714-41 (aka: IW371441)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Portugieser IW3714-41 (aka: IW371441), seen from the bench

The Portugieser IW371441 is equipped with the IWC 79350 caliber featuring a chronograph function in addition to hour and minute indications. The watch has 20mm lugs for the strap. The movement provides chronograph functions along with standard time display.

Frequently asked questions

What is the lug width of the IWC Portugieser IW3714-41?

The lug width of the Portugieser IW3714-41 is 20 mm. This dimension is standardised for the model with a 40.90 mm case and ensures correct ergonomic proportions. You can verify compatibility by measuring the distance between the two lug holes with a digital calliper.

What is the best strap for the IWC Portugieser IW3714-41?

For a white gold Portugieser, alligator leather is the reference choice thanks to its natural grain that elegantly contrasts with the precious case. Martelled calf or aged shell cordovan are sophisticated alternatives for those seeking a patina that evolves over time. Avoid warm tones (cognac, light brown) since white gold requires straps in cool tones: black, anthracite, grey-tortora or dark burgundy.

How do you change the strap on an IWC Portugieser?

The Portugieser features straight lugs without pronounced downward curve. To change the strap: 1) Obtain a spring bar tool; 2) Place the watch on a soft surface; 3) Insert the tool tip into the lug hole and gently push downward to release the spring; 4) Repeat on the other side; 5) Remove the old strap and insert the new one by aligning the holes with the lugs; 6) Close the springs from both sides.

Is an aftermarket strap compatible with the IWC Portugieser IW3714-41?

Yes, any aftermarket strap with a 20 mm lug width is compatible with the Portugieser IW3714-41. Ensure the strap thickness does not exceed approximately 4 mm to prevent excessive friction with the case lugs. Milanostraps.it straps are crafted specifically for this dimension and tested for compatibility.

How long does a leather strap last on a Portugieser watch?

The lifespan of a leather strap depends on usage and maintenance: under normal conditions, it lasts between 18 and 36 months. Vegetable-tanned leather and shell cordovan are more durable due to fibre density; alligator offers solidity through controlled thickness. The patina that develops over time (more evident on vegetable tanning and shell cordovan) is a sign of natural ageing and slightly accelerates wear, but imparts character to the strap.

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