IWC · Ingenieur
Strap for Ingenieur Mecaquartz Chronograph Alarm White Gold / Black / Bracelet
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
ReferenceIW9515-04 (aka: IW951504)
FamilyIngenieur
MovementJaeger-LeCoultre caliber 633 hours, minutes, small seconds | date | Chronograph | alarm
Year1991 - 2000
CaseWhite Gold
The Ingenieur IW9515-04 (aka: IW951504), seen from the bench
The IWC Ingenieur IW9515-04 is a vintage 18-carat white gold chronograph with alarm function, featuring a 34mm case diameter. Powered by a Jaeger-LeCoultre caliber 633 manual-wind movement, it combines antimagnetic engineering with integrated chronograph and alarm complications. Part of the historic Ingenieur line launched in 1955 to withstand intense magnetic fields.
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