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Blancpain · Le Brassus

Strap for Blancpain Le Brassus 4286P-3642-55B

The Le Brassus Quantième Perpetuél Chronographe Flyback à Rattrapante Red Gold takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Blancpain
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Lug width22 mm
Case diameter42 mm
Reference4286P-3642-55B
FamilyLe Brassus
MovementBlancpain caliber 56F9A Hours, Minutes | Date, Day, Leap year, Month, Perpetual calendar | Chronograph, Column wheel, Flyback, Rattrapante | Moonphase
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 22 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Le Brassus Quantième Perpetuél Chronographe Flyback à Rattrapante Red Gold — watch

Straps for the Le Brassus 4286P-3642-55B

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

What I'm asked about the Blancpain Le Brassus 4286P-3642-55B

What strap size does the Blancpain Le Brassus 4286P-3642-55B take?

The Blancpain Le Brassus 4286P-3642-55B 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 Blancpain Le Brassus 4286P-3642-55B 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 Le Brassus 4286P-3642-55B?

Yes, in 22 mm leather. On a 42 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the Blancpain Le Brassus 4286P-3642-55B?

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.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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