IWC · Ingenieur
Strap for Ingenieur Mecaquartz Chronograph Alarm 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
ReferenceIW3815-07 (aka: IW381507)
FamilyIngenieur
MovementJaeger-LeCoultre caliber 633
Hours, Minutes, Small Seconds | Date | Chronograph | Alarm
CaseYellow Gold
The Ingenieur IW3815-07 (aka: IW381507), seen from the bench
The Ingenieur IW381507 is equipped with the Jaeger-LeCoultre 633 caliber featuring chronograph, alarm and date indication functions, as well as hours, minutes and small seconds. The movement offers a combination of practical complications in a sports-derived timepiece. The reference is part of the IWC technical collection dedicated to engineers.
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