IWC · Portofino
Strap for Portofino Chronograph Red Gold / Blue
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
18mm
Lug width18 mm
Case diameter42 mm
ReferenceIW3910-35 (aka: IW391035)
FamilyPortofino
MovementIWC caliber 75320 hours, minutes, small seconds | date, day | Chronograph
Year2019
CaseRed Gold
Straps for the Portofino IW3910-35 (aka: IW391035)
Selected for the 18 mm lug width
Hammered Calfskin Strap Light Blue€98
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Pink Strap with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Grey Hammered Leather Strap with Ecru Stitching€98
Swift Red Leather Strap€120
The Portofino IW3910-35 (aka: IW391035), seen from the bench
The Portofino IW391035 is powered by the IWC Caliber 75320 with hours, minutes, small seconds, date, day and chronograph functions. The watch features a classic layout with integrated day and date indicators on the dial. The movement offers chronograph complications combined with a complete day and date display.
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