IWC · Portofino

Strap for Portofino Automatic Moon Phase 37 Stainless Steel / Diamond / 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 diameter37 mm
ReferenceIW4590-08 (aka: IW459008)
FamilyPortofino
MovementIWC caliber 35800 hours, minutes, seconds | moonphase
Year2017
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Portofino IW4590-08 (aka: IW459008)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Portofino IW4590-08 (aka: IW459008), seen from the bench

The Portofino IW459008 is equipped with the IWC 35800 caliber featuring hour, minute, second and moon phase indications. The watch presents a classic dress watch design with astronomical function. The case is fitted with an IWC in-house automatic movement.

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