IWC · Ingenieur
Strap for IWC Ingenieur IW3784-05
The 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
What I'm asked about the IWC Ingenieur IW3784-05
What strap size does the IWC Ingenieur IW3784-05 take?
The IWC Ingenieur IW3784-05 needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.
Can the strap on the IWC Ingenieur IW3784-05 be changed?
Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.
Can I put a leather strap on the IWC Ingenieur IW3784-05?
Yes, in 20 mm leather. On a 46 mm chronograph I like box calf: it holds its shape and carries a substantial case.
Which strap do you recommend for the IWC Ingenieur IW3784-05?
A 20 mm box calf. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
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For changing the strap
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
Bespoke straps for IWC, in the atelier or by video call: casatimilano.com