TAG Heuer · Carrera
Strap for Carrera Calibre Heuer 02T 45 Chronograph Tourbillon Titanium / Ceramic / Alligator / Black Phantom
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Carrera CAR5A8Z.FC6377 (aka: CAR5A8ZFC6377, CAR5A8Z)
Selected for the 20 mm lug width · workshop selection
Grey Hammered Leather Strap with Ecru Stitching€98
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Red Suede Strap with Stitching — Milano Straps€90
Dark Brown Calfskin Military Strap€80
The Carrera CAR5A8Z.FC6377 (aka: CAR5A8ZFC6377, CAR5A8Z), seen from the bench
Frequently asked questions
What is the lug width of the TAG Heuer Carrera CAR5A8Z.FC6377?
The lug width of the TAG Heuer Carrera CAR5A8Z.FC6377 is 20mm. This measurement represents the internal distance between the spring bar pins (the metal attachment points on the case) and must be verified with a digital caliper to ensure strap compatibility. The manufacturing tolerance is ±0.5mm.
Which strap material is recommended for the Carrera CAR5A8Z.FC6377?
For this 45mm chronograph in titanium and ceramic, we recommend honey-toned alligator (elegant, develops warm patina), grained calf leather (robust, versatile) or vulcanised rubber (sporty, weather-resistant). Alligator enhances formal aesthetics; grained calf balances sport and style; rubber maximises functional reliability.
How do you change the strap on the TAG Heuer Carrera CAR5A8Z.FC6377?
Strap replacement requires a spring bar tool (a small steel lever). Position the watch on a support, insert the tool's tip into the small lateral hole of the spring bar pin, apply gentle pressure to retract the internal spring, remove the pin from the original strap, insert the new strap through the same holes, re-seat the pin. The procedure takes 3-5 minutes and requires no specialist skill, though a jeweller can assist.
Can an aftermarket strap be used on this model?
Yes. Any strap with a 20mm lug width is compatible with the CAR5A8Z.FC6377. Bespoke aftermarket straps, such as those crafted by Milano Straps, often surpass OEM straps in leather quality, stitching finish and customisation options. Always verify tolerance is within ±0.5mm of 20mm.
What is the lifespan of a leather strap on the TAG Heuer Carrera CAR5A8Z.FC6377?
Lifespan depends on material, usage and care. Quality artisanal alligator or calf leather lasts 3-5 years under moderate daily wear (4-6 hours daily). A vegetable-tanned strap tends to develop patina and may last beyond 7 years. Rubber has similar durability (3-5 years) but degrades less visibly. Regular care—light cleaning, semi-annual conditioning for leather—significantly extends strap longevity.
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
