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Blancpain · Villeret

Strap for Villeret Quantième Perpétuel Red Gold / Opaline

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Blancpain
Lug width20 mm
Case diameter38 mm
Reference6057-3642-53B
FamilyVilleret
MovementBlancpain caliber 5653A hours, Additional 24 hours Hand (adjustable) | date, day, leap year, month, perpetual calendar
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Villeret 6057-3642-53B

Selected for the 20 mm lug width · workshop selection

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The Villeret 6057-3642-53B, seen from the bench

The Blancpain Villeret Quantième Perpétuel 6057-3642-53B is a 38 mm white gold watch embodying Swiss watchmaking tradition. It houses the Caliber 5653A manual-wound movement operating at 2.5 hertz, featuring a perpetual calendar, dual time display, and moonphase complications integrated into its architecture. The opaline dial reveals the movement's structure through a sapphire caseback. The 20 mm lug width is proportioned to the 38 mm case diameter, ensuring optimal visual balance on the wrist without compromise to the watch's classical proportions.

Frequently asked questions

What is the lug width of the Blancpain Villeret 6057-3642-53B?

The lug width of the Blancpain Villeret 6057-3642-53B is 20 millimetres. This measurement represents the distance between the upper and lower lug holes, measured perpendicular to the case diameter. It is a critical parameter for visual and constructive balance, and determines compatibility with all aftermarket straps.

What type of strap is most suitable for the Blancpain Villeret 6057-3642-53B in white gold?

For the Villeret 6057-3642-53B in 18-carat white gold, we recommend Mississippi alligator or vegetable-tanned calf leather. Alligator respects the formal character of the precious case and the elegant grain of the reptile; vegetable calf offers natural patina and noble ageing. Both with white gold <a href="/pages/termine-glossario/deployante">deployante</a> buckle for material coherence.

How do you change the strap on a Blancpain Villeret 6057-3642-53B?

The Villeret uses a standard lug hole screw system. Obtain a spring bar tool or small precision screwdriver. Gently unscrew the upper lug screw, extract the retaining spring from its seat, replace the strap, reinsert the spring and tighten the lower screw. The operation takes 10-15 minutes for those with dexterity; we recommend entrusting it to an expert for watches of such value.

Can an aftermarket strap be used on a Blancpain Villeret 6057-3642-53B?

Yes, absolutely. The 20-millimetre lug width is an established standard; any quality strap with the correct measurement mounts without issue. Verify that thickness does not exceed 4 millimetres and that the inner loop is calibrated to exactly 20 millimetres. We recommend <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">20mm straps</a> of controlled manufacture, not generic alternatives.

How long does a leather strap last on a watch like the Villeret?

An <a href="/pages/termine-glossario/alligatore">alligator</a> or vegetable-tanned leather strap lasts 3-5 years with moderate daily wear. The leather absorbs body moisture and environmental humidity, flexes continuously at the loop, and the deployante buckle applies concentrated stress at the terminal hole. With maintenance (avoiding aggressive sweat, periodic drying), lifespan extends to 7-8 years. Natural patina is desirable; support breakage signals replacement.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only