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Blancpain · Le Brassus

Strap for Blancpain Le Brassus 4289Q-3642-55B

The Le Brassus Tourbillon 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
Reference4289Q-3642-55B
FamilyLe Brassus
MovementBlancpain caliber 56F9U Hours, Minutes | Date, Day, Leap year, Month, Perpetual calendar | Chronograph, Column wheel, Flyback, Rattrapante | Moonphase | Tourbillon escapement
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 Tourbillon Quantième Perpetuél Chronographe Flyback à Rattrapante Red Gold — watch

Your watch with our straps

Le Brassus 4289Q-3642-55B with Vintage Brown Calfskin Strap — Natural Patina
Le Brassus 4289Q-3642-55B with Brown Italian Leather Strap
Le Brassus 4289Q-3642-55B with Black Saffiano Strap Ecru Stitching

Calf, Brown

Vintage Brown Calfskin Strap — Natural Patina

€98

★ 4.9 · 11

See the strapAll 22 mm straps

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Real photos of the strap and the case. No generated images.

What I'm asked about the Blancpain Le Brassus 4289Q-3642-55B

What strap size does the Blancpain Le Brassus 4289Q-3642-55B take?

The Blancpain Le Brassus 4289Q-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 4289Q-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 4289Q-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 4289Q-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