IWC · Portugieser
Strap for Portugieser Chrono-Rattrapante Boutique Paris
Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
17mm
Lug width17 mm
Case diameter41 mm
ReferenceIW3712-16 (aka: Rue de la Paix, IW371216)
FamilyPortugieser
MovementIWC caliber 76240
Hours, Minutes | Chronograph, Rattrapante
CaseStainless Steel
The Portugieser IW3712-16 (aka: Rue de la Paix, IW371216), seen from the bench
The Portugieser IW3712-16 chronograph features the manual-wound IWC caliber 76240 movement and a stainless steel case measuring 40.9mm in diameter. Born in 1939 as a navigation instrument, this model combines technical precision with understated elegance. The 17mm lug width accommodates compatible straps and bracelets, maintaining the proportional geometry of this iconic Swiss watch family.
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