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IWC · Portofino

Strap for IWC Portofino IW3565-27

The Portofino Automatic Stainless Steel / Silver - Blue 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 diameter40 mm
ReferenceIW3565-27 (aka: IW356527)
FamilyPortofino
MovementIWC caliber 35111 Hours, Minutes, Seconds | Date
Year2021
CaseStainless Steel

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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Portofino Automatic Stainless Steel / Silver - Blue — watch

Your watch with our straps

Portofino IW3565-27 with Brown Italian Leather Strap
Portofino IW3565-27 with Black Calfskin Rally Watch Strap – Handmade in Milan
Portofino IW3565-27 with Black Saffiano Strap Ecru Stitching
Portofino IW3565-27 with Swift Red Leather Strap
Portofino IW3565-27 with Vintage Brown Calfskin Strap — Natural Patina
Portofino IW3565-27 with Swift Topo Leather Strap
Portofino IW3565-27 with Horween Cordovan Brown Watch Strap
Portofino IW3565-27 with Black and White Driver Leather Strap
Portofino IW3565-27 with Hammered calfskin strap in cuoio
Portofino IW3565-27 with Saffiano Leather Strap Brown — Tone-on-Tone Stitching
Portofino IW3565-27 with Vintage Gray Calfskin Strap
Portofino IW3565-27 with Hammered Calfskin Strap Light Blue
Portofino IW3565-27 with Hammered Calfskin Taupe Strap Ecru Stitching
Portofino IW3565-27 with Saffiano Red Strap Ecru Stitching
Portofino IW3565-27 with Embossed Red Epsom Strap
Portofino IW3565-27 with Pink Ostrich Strap
Portofino IW3565-27 with Embossed Azure Epsom Strap
Portofino IW3565-27 with Hammered Yellow Strap with Ecru Stitching
Portofino IW3565-27 with Grey Hammered Leather Strap with Ecru Stitching
Portofino IW3565-27 with Saffiano Taupe Strap
Portofino IW3565-27 with Distressed Vintage Leather Strap Double Stitching
Portofino IW3565-27 with Hammered Pink Strap with Ecru Stitching
Portofino IW3565-27 with Black and Red Driver Strap
Portofino IW3565-27 with Black and Blue Leather Driver Strap
Portofino IW3565-27 with Cognac Mohawk Leather Strap
Portofino IW3565-27 with Hammered Calfskin Strap Light Blue
Portofino IW3565-27 with Black and Yellow Driver Leather Strap
Portofino IW3565-27 with Hammered Black Calfskin Strap — Ecru Stitching
Portofino IW3565-27 with Vintage Black Calfskin Leather Strap
Portofino IW3565-27 with Saffiano Navy Blue Strap
Portofino IW3565-27 with Saffiano Leather Strap Light Blue Ecru Stitching
Portofino IW3565-27 with Hammered Calfskin Watch Strap Green with Ecru Stitching
Portofino IW3565-27 with Saffiano Cognac Strap
Portofino IW3565-27 with Matte Red Caiman Latirostris Strap — Hand Stitched
Portofino IW3565-27 with Saffiano Green Strap
Portofino IW3565-27 with Grand Cavalier Leather Strap Orange
Portofino IW3565-27 with Black and Red Shell Cordovan Strap
Portofino IW3565-27 with Swift Leather Strap Olive Green
Portofino IW3565-27 with Dark Brown Saffiano Strap with Ecru Stitching
Portofino IW3565-27 with Seamless Brown Cordovan Strap
Portofino IW3565-27 with Saffiano Black Strap Tone Stitching
Portofino IW3565-27 with Matte Grey Alligator Strap
Portofino IW3565-27 with Blue Alligator and Rubber Hybrid Strap
Portofino IW3565-27 with Gray Ostrich Strap
Portofino IW3565-27 with Italian Calfskin Rally Strap in Cognac
Portofino IW3565-27 with Matte Blue Alligator Strap
Portofino IW3565-27 with Millennium Green Alligator Strap
Portofino IW3565-27 with Matte Black Alligator Strap
Portofino IW3565-27 with Green Rubberized Alligator Strap with Ecru Tribal Stitching
Portofino IW3565-27 with Matte Black Alligator Strap — Minimal Stitching
Portofino IW3565-27 with Matte Olive Green Alligator and Rubber Hybrid Strap
Portofino IW3565-27 with Black Alligator Strap with Light Blue Edges
Portofino IW3565-27 with Matte Dark Brown Alligator Strap
Portofino IW3565-27 with Black Cordovan Strap with Ecru Stitching
Portofino IW3565-27 with Brown Cordovan Strap in Shell Cordovan
Portofino IW3565-27 with Black Alligator Strap with White Edges
Portofino IW3565-27 with Hand-stitched Matt Orange Caiman Strap
Portofino IW3565-27 with Vintage Olive Green Calf Leather Watch Strap
Portofino IW3565-27 with Pink Rubber and Alligator Strap
Portofino IW3565-27 with Nubuck Alligator Strap GOLD — Hand Stitched
Portofino IW3565-27 with Red Alligator Strap Water Resistant
Portofino IW3565-27 with Matte Dark Gray Alligator Strap
Portofino IW3565-27 with Millennium Green Alligator Strap — Minimal Stitching
Portofino IW3565-27 with Black Alligator Strap with Light Red Edging
Portofino IW3565-27 with Black Nubuck Alligator Strap with Hand-Stitched Tone-on-Tone Stitching
Portofino IW3565-27 with Blue Nubuck Alligator Strap — Hand-Stitched
Portofino IW3565-27 with Vintage Alligator Strap Cognac
Portofino IW3565-27 with Matte Military Green Caiman Strap — Hand-Stitched
Portofino IW3565-27 with Vintage Grey Leather Strap – Handmade in Milan
Portofino IW3565-27 with Black and Red Shell Cordovan Strap
Portofino IW3565-27 with Vintage Alligator Strap Cognac Hand-stitched
Portofino IW3565-27 with Millenium Cognac Alligator Strap
Portofino IW3565-27 with Black and Red Shell Cordovan Strap
Portofino IW3565-27 with Hand-stitched Matt Blue Caiman Strap

Calf, Brown

Brown Italian Leather Strap

€80

See the strapAll 20 mm straps

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

What I'm asked about the IWC Portofino IW3565-27

What strap size does the IWC Portofino IW3565-27 take?

The IWC Portofino IW3565-27 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 Portofino IW3565-27 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 Portofino IW3565-27?

Yes, in 20 mm leather. On a 40 mm dress watch alligator is the natural choice: thin, elegant, what it was born for.

Which strap do you recommend for the IWC Portofino IW3565-27?

A thin 20 mm alligator. 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.

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

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