TAG Heuer · Carrera

Strap for Carrera Calibre 1887 43 Stainless Steel / Black / Bracelet

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
ReferenceCAR2A10.BAO799
FamilyCarrera
MovementTAG Heuer caliber Calibre 1887 Hours, Minutes, Small Seconds | 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 CAR2A10.BAO799

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Carrera CAR2A10.BAO799, seen from the bench

The TAG Heuer Carrera CAR2A10.BAO799 is a 43 mm stainless steel chronograph that carries six decades of Swiss motorsport heritage since its 1963 inception. It features the TAG Heuer Caliber 1887 movement, capable of measuring tenths of a second with sports-grade precision, assembled in La Chaux-de-Fonds. The ceramic and stainless steel case combines scratch resistance with technical aesthetics, while the 20 mm lug width is calibrated to balance the 43 mm case mass on the wrist.

Frequently asked questions

What is the lug width of the TAG Heuer Carrera CAR2A10.BAO799?

The TAG Heuer Carrera CAR2A10.BAO799 features a lug width of 20 millimetres. This measurement is taken across the case lugs where the spring bars attach. It is the standard lug width for this 43mm Carrera configuration, ensuring visual balance between the case mass and the strap worn on the wrist.

Which strap do you recommend for the TAG Heuer Carrera CAR2A10.BAO799?

For the CAR2A10.BAO799, we recommend a superior-grade alligator strap for mixed formal and sports wear, or vegetable-tanned calf leather to develop rich patina over time. For maximum durability, shell cordovan is ideal. In high-humidity or water sports scenarios, a fluoroelastomer rubber strap offers complete reliability. Choice depends on intended use.

How do you change the strap on the TAG Heuer Carrera CAR2A10.BAO799?

Remove the watch from your wrist. Use a spring bar tool or thin-tipped screwdriver to gently push the spring bar passing through the lug. The bar slides horizontally through the holes in the case lugs: push from one side until it emerges completely on the other. Remove the old strap and insert the new one, aligning the holes. Reinsert the spring bar until it clicks into place.

Is a 20mm aftermarket strap compatible with the TAG Heuer Carrera CAR2A10.BAO799?

Yes, any strap certified for 20mm lug width is mechanically compatible. Verify that the deployante (folding clasp) is correctly sized for the case width and that the spring bar is stainless steel of good quality. Avoid 19mm straps (too tight) or 21mm (too loose), which compromise safety and aesthetics.

How long does a natural leather strap last on the TAG Heuer Carrera CAR2A10.BAO799?

A quality artisanal leather strap on a sports chronograph like the CAR2A10.BAO799 typically lasts 3-5 years of daily wear, varying by tanning method and exposure to humidity and perspiration. With regular maintenance (conditioning every 6-8 months) and rotation with other straps, durability extends significantly. Shell cordovan resists wear longer. An 18-month guarantee is standard on certified artisanal 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.

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