IWC · Portofino
Strap for Portofino Midsize Rose Gold / Silver
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 diameter34 mm
ReferenceIW3564-03 (aka: 3564-03, IW356403)
FamilyPortofino
MovementIWC caliber 30110
Hours, Minutes, Seconds | Date
CaseRose Gold
Straps for the Portofino IW3564-03 (aka: 3564-03, IW356403)
Selected for the 20 mm lug width · workshop selection
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
Novonappa Black Strap — IWC Pilot Style€149
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
The Portofino IW3564-03 (aka: 3564-03, IW356403), seen from the bench
The IWC Portofino IW3564-03 is a 34mm rose gold watch from the 1980s, featuring the in-house caliber IWC 30110 movement with hours, minutes, seconds and date display. The rose gold 18k case includes faceted sides and a transparent caseback to view the movement. The watch has a 20mm lug width, ideal for proportioned strap selection that maintains the refined aesthetic typical of European timepieces from that era.
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