Czapek · Quai des Bergues

Strap for Quai des Bergues N°29 bis

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

Lug width20 mm
Case diameter43 mm
ReferenceQDB29bis
FamilyQuai des Bergues
MovementCzapek caliber SXH1 Hours, Minutes, Small Seconds | Power Reserve Indicator
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Quai des Bergues QDB29bis

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Quai des Bergues QDB29bis, seen from the bench

The Quai des Bergues from the Czapek manufacture is equipped with the automatic caliber SXH1 with power reserve indicator. The movement features hour, minute, small second and power reserve display functions. The QDB29bis reference belongs to the main collection of the Swiss brand founded in 2012.

Frequently asked questions

What is the lug width of the Czapek Quai des Bergues QDB29bis?

The lug width of the Czapek Quai des Bergues QDB29bis is 20mm. This measurement is the standard specification for this 42.5mm case and is essential when selecting compatible aftermarket straps. You can verify this measurement yourself using a digital calliper, positioning it between the case lugs at the top where the strap attaches.

Which type of strap pairs best with the QDB29bis?

The Czapek Quai des Bergues QDB29bis, crafted in white gold with a guillochéed dial, naturally pairs with high-quality alligator or shell cordovan straps. A dark brown alligator with vegetable tanning ages beautifully alongside the metal and reflects Czapek's artisanal philosophy. For elegant daily wear, we recommend a caramel calf or Cordura canvas NATO. The choice depends on your intended use: formal, business, or refined casual.

How do you change the strap on a Czapek Quai des Bergues?

Strap replacement is accomplished via the spring bars that connect the case lugs to the strap. Use a dedicated spring bar tool to gently compress the bar and extract the old strap. Insert the new strap by aligning the holes with the bars, then release the tool so the bar locks firmly in place. Ensure the bar is fully seated on both sides before wearing the watch.

Can I use an aftermarket strap on this model?

Yes, absolutely compatible. Simply ensure the strap has a 20mm lug width, matching the QDB29bis specification. High-quality artisanal straps with vegetable tanning, in alligator, shell cordovan, or calf leather, deliver superior aesthetic results compared to the original strap when properly colour-coordinated. Always verify exact dimensions before purchase to avoid incompatibility.

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

Leather strap durability depends on tanning quality, usage patterns, and maintenance. A high-quality alligator or shell cordovan strap with vegetable tanning typically lasts 5-8 years with regular use. Lower-grade calf leather resists 2-4 years. Maintenance involves keeping the strap dry, avoiding prolonged sun exposure, and occasionally applying a water-resistant conditioner. A well-maintained strap not only lasts longer but develops a patina that enhances the watch's aesthetic value.

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