IWC · Ingenieur

Strap for Ingenieur SL Chronometer Stainless Steel / White / 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
ReferenceIW3521-01 (aka: 3521-01, IW352101)
FamilyIngenieur
MovementIWC caliber 8872 hours, minutes, seconds | date | chronometer
Year1993 - 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 IW3521-01 (aka: 3521-01, IW352101), seen from the bench

The IWC Ingenieur features the caliber 8872 with hour, minute, second, date and chronometer certification functions. The model with reference IW3521-01 is dedicated to professional use. The construction follows the technical parameters of the Ingenieur collection for resistance and precision.

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