IWC · Ingenieur

Strap for Ingenieur Chronograph AMG 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 diameter43 mm
ReferenceIW3725-03 (aka: 3725-03, IW372503)
FamilyIngenieur
MovementIWC caliber 79350 hours, minutes | Chronograph
Year2005 - 2008
CaseTitanium

Spring bar

Swiss Standard universal spring bars

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

The Ingenieur IW3725-03 (aka: 3725-03, IW372503), seen from the bench

The Ingenieur IW372503 is powered by the IWC 79350 caliber with chronograph function in addition to hour and minute indication. The movement provides chronometric functionalities through the system developed internally by the Swiss manufacture. The reference belongs to the brand's technical 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