Swatch · Sistem 51
Strap for Swatch Sistem 51 YIS409
The Sistem Navy takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Sistem 51 YIS409
Selected for the 20 mm lug width · workshop selection
What I'm asked about the Swatch Sistem 51 YIS409
What strap size does the Swatch Sistem 51 YIS409 take?
The Swatch Sistem 51 YIS409 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 Swatch Sistem 51 YIS409 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 Swatch Sistem 51 YIS409?
Yes, in 20 mm leather. On a 42 mm case a calf strap works every day; if you want something more, alligator.
Which strap do you recommend for the Swatch Sistem 51 YIS409?
A 20 mm calf strap, for every day. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
More Sistem 51
- Sistem Clouds16 mm
- Sistem Black20 mm
- Sistem Chic20 mm
- Sistem Notte16 mm
- Sistem Schwiiz16 mm
- Sistem Fudge16 mm
- Sistem Gentleman20 mm
- Sistem Green20 mm
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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