IWC · Vintage Collection
Strap for Vintage Portofino 1984 Rose gold
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 diameter46 mm
ReferenceIW5448-03 (aka: 5448-03, IW544803)
FamilyVintage Collection
MovementIWC caliber 98800
Hours, Minutes, Small Seconds | Moonphase
CaseRose Gold
The Vintage Collection IW5448-03 (aka: 5448-03, IW544803), seen from the bench
The IWC Vintage Collection IW5448-03 is a 46mm rose gold watch featuring the in-house IWC 98800 caliber with hours, minutes, small seconds, and moonphase complication. The case is crafted in 18-carat rose gold and uses an 18mm lug width, a proportional measure designed for sport-elegant timepieces. This model reinterprets classic Schaffhausen codes through contemporary engineering while maintaining authentic proportions and integrated case lugs.
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