Technical Archive

TAG Heuer
Carrera CBN2A1P.BA0643— lug 20mm

TAG Heuer Carrera CBN2A1P.BA0643: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Carrera Calibre Heuer 02 44 Stainless Steel / ThreeC

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

TAG Heuer CBN2A1P.BA0643
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

CBN2A1P.BA0643

Movement

TAG Heuer caliber Calibre Heuer 02 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel

The Heritage

The Carrera CBN2A1P.BA0643 is equipped with the automatic Heuer 02 caliber with column-wheel chronograph function. The movement indicates hours, minutes, small seconds and date. The case features the column-wheel chronograph system typical of the TAG Heuer manufacture.

FAQ

What is the lug width of the TAG Heuer Carrera CBN2A1P.BA0643?

The lug width of the TAG Heuer Carrera CBN2A1P.BA0643 is 20 millimetres. This dimension is standard for TAG Heuer's 44-millimetre sports chronographs and ensures optimal proportions between case and strap. Precise measurement from one lug base to the other at the attachment point is essential to guarantee mechanical and aesthetic compatibility.

Which strap is ideal for the TAG Heuer Carrera CBN2A1P.BA0643?

For the Carrera CBN2A1P.BA0643 in ceramic and steel, we recommend black or anthracite-grey alligator, which emphasises the racing character. A sophisticated alternative is Italian calf leather with knife edge, creating elegant duality. In summer, FKM rubber with internal technical fabric offers functional lightness. Choice depends on use: sporty, formal, or hybrid.

How do you change the strap on a TAG Heuer Carrera CBN2A1P.BA0643?

The Carrera CBN2A1P.BA0643 features integrated straight lugs on both sides of the case. To change the strap: 1) Obtain a spring bar tool and extraction instrument. 2) Position the watch on a soft surface. 3) Gently press the spring towards the case centre whilst extracting the lug from the lug hole. 4) Repeat on the opposite side and install the new strap. If uncertain, consult Milano Straps or a professional watchmaker.

Can I fit an aftermarket strap on this TAG Heuer?

Yes, any strap with a 20-millimetre lug width is compatible with the TAG Heuer Carrera CBN2A1P.BA0643. Milano Straps offers handcrafted straps in alligator, calf, shell cordovan and rubber, all customisable. Verify the exact width before ordering to avoid fit defects. The Casati Milano atelier recommends bespoke straps for optimal comfort and aesthetics.

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

Durability depends on material, usage, and maintenance. A quality alligator strap lasts 3–5 years with regular wear. Italian calf, if treated with protective cream, reaches 4–6 years. Shell cordovan exceeds 10 years due to fibre density. FKM rubber resists 5–7 years. Milano Straps guarantee: 18 months. Consult the atelier for protective treatments and seasonal cleaning to extend strap life.