IWC · Portofino
Strap for Portofino Automatic Moon Phase 37 Red Gold / Black MOP
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
ReferenceIW4590-03 (aka: 4590-03, IW459003)
FamilyPortofino
MovementIWC caliber 35800
Hours, Minutes, Seconds | Moonphase
CaseRed Gold
The Portofino IW4590-03 (aka: 4590-03, IW459003), seen from the bench
The Portofino IW4590-03 is equipped with the IWC caliber 35800, offering hours, minutes, seconds and moon phase indication. The movement provides the essential functions integrated with the astronomical complication of the moon phase. The reference features a classic design typical of the IWC Portofino collection.
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