IWC · Portugieser

Strap for Portuguese Chrono-Automatic White Gold / Blue MOP / 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
ReferenceIW3714-20
FamilyPortugieser
MovementIWC caliber 79350 hours, minutes | Chronograph
Year2003 - 2003
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 IW3714-20

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Portugieser IW3714-20, seen from the bench

The Portugieser IW3714-20 is equipped with the IWC 79350 caliber with chronograph function in addition to the hour and minute indication. The watch features 20mm lugs and represents one of the variations of the IWC Portugieser collection. The movement ensures the chronograph functions along with the normal time indication.

Frequently asked questions

What is the lug width of the IWC Portugieser IW3714-20?

The lug width is 20 mm. This is a specific dimension for this model: the internal distance between the lug holes must measure exactly 20 mm to ensure correct spring bar insertion into the case lugs. It is advisable to verify the measurement with a digital calliper before ordering the strap.

Which strap is best suited for the IWC Portugieser IW3714-20?

Mississippi alligator and shell cordovan are the most coherent choices with the aesthetic philosophy of the white gold model. Dark brown alligator amplifies chromatic depth, while burgundy shell cordovan generates a natural visual dialogue through patina development over time. For a contemporary approach, vegetable-tanned calf remains the most balanced solution between sustainability and versatility.

How do I change the strap on the IWC Portugieser IW3714-20?

Position the watch with the case facing upwards. Locate the spring bar (the metal bar with springs at the ends) and use a dedicated extraction tool to press inward one of the springs, releasing the strap from the corresponding lug. Repeat the operation on the other end. Insert the new strap by aligning the holes to the lugs, then secure the spring bar by compressing the springs until you feel an audible click.

Can I use an aftermarket strap compatible with the IWC Portugieser IW3714-20?

Yes, provided the strap is specifically dimensioned for the 20 mm lug width. Manufacturing tolerances vary between 19.8 and 20.2 mm: verify that the selected strap is certified for this measurement. All straps offered by Milano Straps are tested and guaranteed compatible with the IW3714-20, thanks to construction precision that conforms to IWC standards.

How long does a leather strap last on the IWC Portugieser IW3714-20?

The lifespan depends on the leather type and daily use. Alligator and shell cordovan guarantee 3-5 years of intensive wearability without structural degradation signs, thanks to the natural density of the material. Vegetable-tanned calf requires periodic maintenance (cleaning with a soft damp cloth) and typically maintains integrity for 2-3 years under daily-use conditions. The Milano Straps warranty on all straps is 18 months.

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