IWC · Ingenieur

Strap for Ingenieur Mecaquartz Chronograph Alarm Stainless Steel / 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
ReferenceIW3815-03 (aka: IW381503)
FamilyIngenieur
MovementJaeger-LeCoultre caliber 633 hours, minutes, small seconds | date | Chronograph | alarm
Year1991 - 2000
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Ingenieur IW3815-03 (aka: IW381503), seen from the bench

The Ingenieur IW381503 is equipped with the Jaeger-LeCoultre caliber 633 with chronograph, alarm and date functions in addition to hours, minutes and small seconds. The movement offers multiple complications integrated into a single mechanical configuration. The reference belongs to the technical IWC 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only