Technical Archive

TAG Heuer
Carrera CBN2A1N.BA0643— lug 20mm

TAG Heuer Carrera CBN2A1N.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 / Green / Bracelet

Artisanal Note

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

Technical Specifications

TAG Heuer CBN2A1N.BA0643
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

CBN2A1N.BA0643

Movement

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

The Heritage

The Carrera was introduced by TAG Heuer in 1963 as a chronograph dedicated to the world of motor racing. The reference CBN2A1N.BA0643 features the in-house Heuer 02 automatic caliber with hour, minute, small seconds, date and column-wheel chronograph functions. The movement provides time indication with chronograph counters and date display.

FAQ

What is the lug width of the TAG Heuer Carrera CBN2A1N.BA0643?

The lug width of the TAG Heuer Carrera CBN2A1N.BA0643 is 20mm. This measurement represents the linear distance between the two lugs (pins) positioned at the ends of the case and is compatible with the entire range of certified aftermarket straps designed for this width.

What is the best strap for the TAG Heuer Carrera CBN2A1N.BA0643?

The best strap depends on your usage and aesthetic preferences. For luxury sportiness, we recommend vegetable-tanned alligator with contrast stitching. For authentic racing character, a grey or black canvas NATO. For maximum daily comfort, soft vegetable-tanned leather. Casati Milano atelier offers custom solutions tailored to your needs.

How do you change the strap on a TAG Heuer Carrera CBN2A1N.BA0643?

The process requires a dedicated tool (spring bar tool) to compress the pins on both sides of the case and extract the previous strap. Position the new strap by aligning the attachment holes with the pins and release gradually. Verify visual alignment between case and strap before wearing. If inexperienced, consult a professional: Casati Milano offers installation services.

Are aftermarket straps compatible with the TAG Heuer Carrera CBN2A1N.BA0643?

Yes, all straps with a 20mm lug width are compatible. Verify that the strap is designed for sports watches with a diameter exceeding 42mm, as the 44mm case requires appropriate proportions to avoid visual imbalance. Milano Straps' artisanal straps guarantee certified compatibility.

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

A premium leather strap with vegetable or alligator tanning typically lasts 3-5 years with daily use, varying based on humidity, sun exposure, and care. Vegetable-tanned leather develops a patina that increases its aesthetic value. Casati Milano warrants its straps for 18 months and offers regeneration and restoration services for aged leather.