IWC · Portofino
Strap for Portofino Automatic Moon Phase 37 Stainless Steel / Silver
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 diameter37 mm
ReferenceIW4590-11 (aka: IW459011)
FamilyPortofino
MovementIWC caliber 35800
Hours, Minutes, Seconds | Moonphase
CaseStainless Steel
The Portofino IW4590-11 (aka: IW459011), seen from the bench
The IWC Portofino is equipped with the caliber 35800 featuring hour, minute, second and moon phase indications. The reference IW459011 presents an automatic movement with astronomical complications. The watch is part of the Portofino collection by the Swiss brand.
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