Blancpain · L-Evolution

Strap for Blancpain L-Evolution 8837-3630-53B

The L-Evolution Semainier Grande Date 8 Jours Red Gold takes 23 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width23 mm
Case diameter44 mm
Reference8837-3630-53B
FamilyL-Evolution
MovementBlancpain caliber 37R8G Hours, Minutes, Seconds | Big date, Day, Week indicator | Power reserve indicator
Year2010
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

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

Standard spring bar · length 23 mm · Ø 1.8 mm double flange · industry standard, no brand part number

L-Evolution Semainier Grande Date 8 Jours Red Gold — watch

What I'm asked about the Blancpain L-Evolution 8837-3630-53B

What strap size does the Blancpain L-Evolution 8837-3630-53B take?

The Blancpain L-Evolution 8837-3630-53B needs 23 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the Blancpain L-Evolution 8837-3630-53B 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 Blancpain L-Evolution 8837-3630-53B?

Yes, in 23 mm leather. On a 44 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Blancpain L-Evolution 8837-3630-53B?

A 23 mm calf strap, for every day. I don't keep this size ready in the catalogue: I make it to measure. If you'd rather have something built on your wrist, the Casati atelier.

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

Updated on · by Antonio Zichichi