TAG Heuer · Carrera
Strap for Carrera Chronograph Glass Box Expo 2025 Osaka
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 CBS221C.FC6619 (aka: 2025年日本国際博覧会)
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 CBS221C.FC6619 (aka: 2025年日本国際博覧会), seen from the bench
Frequently asked questions
What is the lug width of the TAG Heuer Carrera CBS221C.FC6619?
The TAG Heuer Carrera CBS221C.FC6619 features a lug width of 20mm. This measurement represents the space between the case lugs where the strap is inserted. To verify with precision, measure internally using a calliper: 20mm ensures compatibility with standard commercial straps, though a tolerance of ±0.5mm is common among manufacturers. For perfect insertion, we recommend accurate measurement before purchase.
Which strap is recommended for the CBS221C.FC6619?
For the CBS221C.FC6619 we recommend straps in black or dark brown alligator for formal occasions, vegetable-tanned calf leather for a vintage-sport look, or shell cordovan for those seeking understated luxury. Given the brushed steel case, materials with pronounced texture create elegant contrast. For daily wear and sports use, nylon NATO or rubber with leather lugs offer practicality without sacrificing aesthetics. Your choice depends on occasion and the degree of patina desired over time.
How do I change the strap on my TAG Heuer Carrera CBS221C.FC6619?
Strap replacement requires a specific tool called a spring bar tool. Position the watch with one lug facing downwards, insert the tool into the lateral hole next to the spring bar and exert gentle pressure to free it. Repeat for the other lug. Reverse the procedure to install the new strap, ensuring the spring bar is fully seated. If you are not confident, contact the Casati Milano atelier for professional replacement.
Is the CBS221C.FC6619 compatible with quality aftermarket straps?
Yes, the CBS221C.FC6619 is fully compatible with quality aftermarket straps, provided they respect the 20mm lug width. Milano Straps offers a dedicated collection of artisanal 20mm straps in various leathers and finishes. The important thing is to verify that the lugs fit snugly to the case without play or friction. Custom straps from Casati Milano guarantee maximum compatibility and durability, with an 18-month warranty.
What is the average lifespan of a leather strap for this watch?
A premium leather strap, such as alligator or shell cordovan, with moderate daily use, lasts approximately 3-5 years before requiring replacement. This estimate varies based on sun exposure, humidity, sweat and frequency of use. Vegetable-tanned leathers develop patina and may last longer if well maintained. Synthetic materials such as rubber and nylon resist wear longer but lose elasticity over time. The 18-month warranty from Casati Milano covers manufacturing defects and ensures construction quality for years of worry-free use.
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
