TAG Heuer · Carrera

Strap for Carrera Calibre Heuer 02 44 160th Anniversary

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

Lug width20 mm
Case diameter44 mm
ReferenceCBN2A1E.BA0643
FamilyCarrera
MovementTAG Heuer caliber Calibre Heuer 02 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CaseCeramic, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Carrera CBN2A1E.BA0643

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Carrera CBN2A1E.BA0643, seen from the bench

The TAG Heuer Carrera CBN2A1E.BA0643 is a 44mm chronograph combining stainless steel and black ceramic, featuring the in-house Heuer 02 caliber movement. Designed for racing heritage, this model delivers aggressive proportions, readable dial at speed, and technical functionality. The 20mm lug width positions it among important wrist watches for those seeking engineering excellence over minimalist aesthetics.

Frequently asked questions

What is the lug width of the TAG Heuer Carrera CBN2A1E.BA0643?

The TAG Heuer Carrera CBN2A1E.BA0643 features a lug width of 20mm. This measurement, taken from the tip of one lug to the tip of the opposite lug at their innermost point, is critical for aftermarket strap compatibility. It is essential to verify that any chosen strap possesses this exact width to ensure correct fit and stability on the wrist.

Which strap is most recommended for the TAG Heuer Carrera CBN2A1E.BA0643?

For the Carrera CBN2A1E.BA0643, an alligator leather strap represents the most versatile and elegant choice: the regular grain structure and natural patina create a sophisticated contrast with the ceramic case. Vegetable-tanned calf leather offers an alternative if a more pronounced texture and visible ageing are preferred. For a purely sportive approach, rubber or NATO fabric straps remain practical and coherent with the model's racing DNA.

How do I change the strap on a TAG Heuer Carrera CBN2A1E.BA0643?

Strap replacement is accomplished by removing the spring bars. Using a dedicated tool or small flat screwdriver, apply light pressure on the spring bar to release the internal spring mechanism, allowing the original bracelet to slide free. Subsequently, align the new strap with the lug housings and reinsert and secure the spring bars. This operation requires care to avoid damage to components.

Can I use an aftermarket strap compatible with the TAG Heuer Carrera CBN2A1E.BA0643?

Yes, it is entirely possible and recommended. Aftermarket straps in 20mm width are fully compatible with the Carrera CBN2A1E.BA0643. Provided the lug width is correct, you may choose from a variety of materials (alligator, calf, shell cordovan, fabric) to personalise your watch according to your aesthetic preference and usage requirements. Many Carrera owners rotate multiple straps to adapt the style to different contexts.

How long does a leather strap last on a TAG Heuer Carrera CBN2A1E.BA0643?

Leather strap longevity depends on material, tanning method, and usage. A quality alligator strap with vegetable tanning can last 3-5 years with ordinary maintenance and moderate wear. Shell cordovan offers greater longevity, lasting 7-10 years due to inherent leather resistance. Calf leather straps typically last 2-4 years. Exposure to moisture, perspiration, and sunlight accelerates wear. Regular maintenance—cleaning and conditioning with specialist creams—significantly extends strap life.

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