IWC · Ingenieur
Strap for Ingenieur Midsize Gold Index Strap
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 diameter34 mm
ReferenceIW4515-04 (aka: 4515-04, IW451504)
FamilyIngenieur
MovementIWC caliber 30110 hours, minutes, seconds | date
CaseStainless Steel
The Ingenieur IW4515-04 (aka: 4515-04, IW451504), seen from the bench
The Ingenieur IW4515-04 features the IWC 30110 caliber with indication of hours, minutes, seconds and date. The automatic movement ensures essential functionality for daily use. The reference is part of IWC's Ingenieur collection dedicated to professional environments.
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