TAG Heuer · Carrera

Strap for Carrera Calibre 16 Day Date 43 Stainless Steel /

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
ReferenceCV2A1U.BA0738
FamilyCarrera
MovementTAG Heuer caliber 16 Day Date hours, minutes, small seconds | date, day | Chronograph
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 CV2A1U.BA0738

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Carrera CV2A1U.BA0738, seen from the bench

The TAG Heuer Carrera Calibre 16 Day Date 43 (reference CV2A1U.BA0738) is a 43mm stainless steel and ceramic sports chronograph that continues the racing heritage established in 1963. It features the automatic TAG Heuer Calibre 16 movement with chronograph, day and date functions, offering reliable timekeeping with adequate power reserve. The 20mm lug width is proportionally balanced to the case diameter, a standard derived from the original Carrera design that ensures ergonomic wrist wear.

Frequently asked questions

What is the lug width of the TAG Heuer Carrera CV2A1U.BA0738?

The lug width of the TAG Heuer Carrera CV2A1U.BA0738 is 20mm. This dimension is the industry standard for modern Carrera chronographs and ensures proportional compatibility with the 43mm case. Measurement can be verified using a digital calliper positioned between the two spring bars that secure the strap to the case.

What is the best strap material for the TAG Heuer Carrera CV2A1U.BA0738?

The optimal strap material depends on intended use. Alligator leather is ideal for elegance and longevity, developing natural patina over time. Vegetable-tanned calf is durable and practical for daily wear. NATO fabric or technical rubber is superior for sporting and aquatic contexts. Shell cordovan represents a refined choice that combines elegance with extraordinary patina development.

How do you change the strap on a TAG Heuer Carrera?

Carrera strap replacement requires a spring bar tool, a specialised instrument that compresses the elastic pins at the strap's extremities. Insert the tool into the gap between the pin and case, apply gentle compression to release one end, and remove the old strap. Install the new strap using the same procedure. Care should be taken to avoid scratching the case during this operation.

Is a 20mm strap from another brand compatible with the TAG Heuer Carrera CV2A1U.BA0738?

Yes, any strap with a 20mm lug width is compatible with the Carrera CV2A1U.BA0738. However, it is advisable to verify that strap thickness and lug shape adapt harmoniously to the case and specific spring bars. Many bespoke straps crafted for luxury watches are contoured for specific cases, ensuring optimal fit.

What is the lifespan of a leather strap on a TAG Heuer Carrera?

Leather strap durability depends on material quality, frequency of use, and environmental conditions. Premium alligator may last 3-5 years with daily wear, whilst elite-grade alligator or shell cordovan can exceed 5-7 years. Vegetable-tanned calf typically lasts 2-4 years. Prolonged exposure to water, perspiration, and UV radiation accelerates ageing. Proper maintenance—periodic cleaning and protection from extreme humidity—significantly extends lifespan.

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