IWC · Vintage Collection
Strap for Vintage Portofino 1984 Platinum
The Vintage Portofino 1984 Platinum 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
ReferenceIW5448-05 (aka: 5448-05, IW544805)
FamilyVintage Collection
MovementIWC caliber 98800 hours, minutes, small seconds | moonphase
Year2008 - 2012
CasePlatinum
Straps for the Vintage Collection IW5448-05
Selected for the 18 mm lug width
Black Saffiano Strap Ecru Stitching€90
Vintage Brown Calfskin Strap — Natural Patina€98
Swift Topo Leather Strap€120
Hammered Pink Strap with Ecru Stitching€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Hammered Calfskin Strap Light Blue€98
The Vintage Collection IW5448-05, seen from the bench
The IWC Vintage Collection IW5448-05 is a 46mm platinum sports watch featuring the caliber IWC 98800 movement with moonphase complication. The case is crafted from pure platinum with an 18mm lug width, designed to balance the generous proportions of vintage aviator aesthetics with modern wearability. This model represents IWC's reinterpretation of 1940s-50s pilot chronographs through contemporary engineering.
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
Bespoke straps for IWC, in the atelier or by video call: casatimilano.com
