IWC · Portofino
Strap for Portofino Hand-Wound Tourbillon Rétrograde Red Gold / 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 diameter45 mm
ReferenceIW5165-01 (aka: IW516501)
FamilyPortofino
MovementIWC caliber 59900 hours, minutes | date | power reserve indicator, tourbillon escapement
Year2017
CaseRed Gold
Straps for the Portofino IW5165-01 (aka: IW516501)
Selected for the 18 mm lug width
Hammered Calfskin Strap Light Blue€98
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Pink Strap with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Grey Hammered Leather Strap with Ecru Stitching€98
Swift Red Leather Strap€120
The Portofino IW5165-01 (aka: IW516501), seen from the bench
The IWC Portofino IW5165-01 (IW516501) represents Swiss watchmaking craftsmanship combined with Italian design. This model features a 45mm red gold case housing the manual-wind IWC caliber 59900 movement with tourbillon escapement, power reserve indicator, and date function. The 18mm lug width accommodates compatible straps, with the case design emphasizing balanced proportions and refined legibility without ornamentation.
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