IWC · Ingenieur
Strap for Big Ingenieur Chronograph Stainless Steel / Silver / Strap
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter46 mm
ReferenceIW3784-05 (aka: 3784-05, IW378405)
FamilyIngenieur
MovementIWC caliber 89361
Hours, Minutes, Small Seconds | Date | Chronograph, Flyback
CaseStainless Steel
The Ingenieur IW3784-05 (aka: 3784-05, IW378405), seen from the bench
The IWC Ingenieur IW378405 is powered by the IWC 89361 automatic caliber with flyback chronograph, small seconds and date functions. The movement offers hour, minute and chronograph indication with the possibility of instant reset while running. The reference belongs to the technical collection of the Swiss brand 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