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IWC · Portugieser

Strap for IWC Portugieser IW3716-10

The Portugieser Chronograph Red Gold / Grey takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll IWC
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Lug width20 mm
Case diameter41 mm
ReferenceIW3716-10 (aka: IW371610)
FamilyPortugieser
MovementIWC caliber 69355 Hours, Minutes, Small seconds | Chronograph, Column wheel
Year2019
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Standard spring bar · length 20 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Portugieser Chronograph Red Gold / Grey — watch

Your watch with our straps

Portugieser IW3716-10 with Grand Cavalier Leather Strap Orange
Portugieser IW3716-10 with Vintage Brown Calfskin Strap — Natural Patina
Portugieser IW3716-10 with Brown Italian Leather Strap

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

See the strapAll 20 mm straps

1 / 83

Real photos of the strap and the case. No generated images.

What I'm asked about the IWC Portugieser IW3716-10

What strap size does the IWC Portugieser IW3716-10 take?

The IWC Portugieser IW3716-10 needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the IWC Portugieser IW3716-10 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the IWC Portugieser IW3716-10?

Yes, in 20 mm leather. On a 41 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the IWC Portugieser IW3716-10?

A 20 mm box calf. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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 →

Casati Milano · Via XX Settembre 15, Milan · by appointment only

Bespoke straps for IWC, in the atelier or by video call: casatimilano.com

Updated on · by Antonio Zichichi