Montblanc · 1858
Strap for Montblanc 1858 112637
The 1858 Chronograph Tachymeter Limited Edition Red Gold 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 1858 112637
Selected for the 20 mm lug width · workshop selection
What I'm asked about the Montblanc 1858 112637
What strap size does the Montblanc 1858 112637 take?
The Montblanc 1858 112637 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 Montblanc 1858 112637 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 Montblanc 1858 112637?
Yes, in 20 mm leather. On a 44 mm chronograph I like box calf: it holds its shape and carries a substantial case.
Which strap do you recommend for the Montblanc 1858 112637?
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.
More 1858
- 1858 Manual Small Second Stainless Steel / Black22 mm
- 1858 Manual Small Second Stainless Steel / Black / Mesh22 mm
- 1858 Manual Small Second Stainless Steel / Blue22 mm
- 858 Manual Small Second Stainless Steel / Black22 mm
- 1858 Chronograph Tachymeter Limited Edition Stainless Steel20 mm
- 1858 Manual Small Second Stainless Steel / Blue / Mesh22 mm
- 1858 Automatic Small Second Stainless Steel / Black22 mm
- 1858 Automatic Small Second Stainless Steel / Black22 mm
More Montblanc in 20 mm
- Star Traditional XL BlackStar
- Chronograph AutomaticNicolas Rieussec
- Chronograph AutomaticNicolas Rieussec
- Chronograph Automatic Open DateNicolas Rieussec
- TimeWalker Date Automatic 4810 39 BlackTimewalker
- TimeWalker Date Automatic 4810 39 Silver / Red Gold NumeralsTimewalker
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





