Sinn · Instrument Chronographs
Strap for Sinn Instrument Chronographs 903.042
The Pilot Chronograph 903 St Silver takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Instrument Chronographs 903.042
Selected for the 22 mm lug width · workshop selection
What I'm asked about the Sinn Instrument Chronographs 903.042
What strap size does the Sinn Instrument Chronographs 903.042 take?
The Sinn Instrument Chronographs 903.042 needs 22 mm between the lugs, usually 18 or 20 mm at the buckle. It's the size I've been fitting on it for years.
Can the strap on the Sinn Instrument Chronographs 903.042 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 Sinn Instrument Chronographs 903.042?
Yes, in 22 mm leather. On a 41 mm chronograph I like box calf: it holds its shape and carries a substantial case.
Which strap do you recommend for the Sinn Instrument Chronographs 903.042?
A 22 mm box calf. You'll find it ready in the 22 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
The atelier's website: casatimilano.com