TAG Heuer · Carrera

Strap for Carrera Calibre Heuer 01 45 Portugal National Team

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

Lug width20 mm
Case diameter45 mm
ReferenceCAR2A1B.FC6425
FamilyCarrera
MovementTAG Heuer caliber Heuer 01 hours, minutes, small seconds | date | Chronograph, column wheel
Year2018 - 2018
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 CAR2A1B.FC6425

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Carrera CAR2A1B.FC6425, seen from the bench

The TAG Heuer Carrera CAR2A1B.FC6425 is a 45mm chronograph that evolved from the 1963 racing icon. It features a black ceramic and stainless steel case combining technical performance with elegant design. The watch is powered by the Heuer 01 caliber, an in-house manual mechanical movement with column chronograph and column wheel system for precise centisecond measurement. The 20mm lug width ensures compatibility with aftermarket straps.

Frequently asked questions

What is the lug width of the TAG Heuer Carrera CAR2A1B.FC6425?

The TAG Heuer Carrera CAR2A1B.FC6425 features a 20mm lug width. This measurement represents the internal diameter between the spring bars that attach the strap to the case. Precision is essential: a 22mm or 18mm strap will not fit correctly. Always verify your original strap's measurement using a digital calliper before ordering an aftermarket option.

Which strap is best suited for the TAG Heuer Carrera CAR2A1B.FC6425?

The optimal choice depends on intended use. For formal occasions, we recommend black alligator or cognac calf leather, both emphasizing the contrast between the ceramic case and the illuminated dial. For daily sporting wear, shell cordovan with natural patina offers superior durability and beauty that develops over time. For intensive activities, a dense cotton NATO strap ensures practicality without aesthetic compromise.

How do you change the strap on the CAR2A1B.FC6425?

Strap replacement requires a spring bar tool. Insert the tool's thin end into the spring mechanism's aperture, compress gently, and extract the bar from the first lug. Repeat on the opposite side. Verify that your new strap has a 20mm lug width: insert one bar first for alignment, then secure the second bar until you hear the engagement click. If uncertain, consult a professional watchmaker.

Are aftermarket straps compatible with the CAR2A1B.FC6425?

Yes. Any strap with a 20mm lug width is mechanically compatible. Milano Straps offers online a collection of 20mm straps in alligator, calf leather, shell cordovan, and NATO fabrics, all customizable in length and finishing details. Every strap is tested for both mechanical compatibility and aesthetic coherence with the case profile.

What is the typical lifespan of a leather strap on a chronograph like the CAR2A1B.FC6425?

A quality calf leather strap lasts 2-3 years with daily wear. Alligator leather endures 3-4 years due to its more robust texture. Shell cordovan, a specialised equine leather, surpasses 5-7 years of regular use. Durability accelerates with frequent exposure to perspiration, humidity, and UV radiation. Natural aging is a characteristic, not a defect: the patina that develops increases aesthetic value over time.

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.

Request an appointment →

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