IWC · Ingenieur
Strap for Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / Yellow Gold / White / 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
ReferenceIW3815-04 (aka: IW381504)
FamilyIngenieur
MovementJaeger-LeCoultre caliber 633 hours, minutes, small seconds | date | Chronograph | alarm
Year1991 - 2000
CaseYellow Gold, Stainless Steel
The Ingenieur IW3815-04 (aka: IW381504), seen from the bench
The Ingenieur IW381504 is powered by the Jaeger-LeCoultre 633 caliber with chronograph and alarm functions, in addition to hours, minutes, small seconds and date display. The movement offers multiple complications integrated into a well-established technical architecture. The reference belongs to the IWC Ingenieur collection dedicated to precision instruments.
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