IWC · Portugieser
Strap for Portugieser Chrono-Rattrapante Stainless Steel / Italy
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 diameter41 mm
ReferenceIW3712-14 (aka: 3712-14, IW371214)
FamilyPortugieser
MovementIWC caliber 76240
Hours, Minutes | Chronograph, Rattrapante
CaseStainless Steel
The Portugieser IW3712-14 (aka: 3712-14, IW371214), seen from the bench
The IWC Portugieser IW3712-14 is a 40.90mm stainless steel chronograph with split-seconds function, featuring the caliber 76240 manual-wind movement. Launched in 1939 for Portuguese navigators, this model embodies IWC's philosophy of legibility, harmonious proportions and mechanical precision. The 18mm lug width accommodates the watch's refined aesthetic without compromise, maintaining the classical 1:1 proportion between case and wrist.
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