Strap for Monaco Calibre Heuer 02 Stainless Steel / Gulf

The TAG Heuer Monaco CBL2115.FC6494 features a lug width of 20 millimetres. This specification is unique to the model and corresponds to the proportions of the square case: it is not possible to fit straps of different widths (such as 18mm or 22mm) without compromising the mechanical fit to the case lugs.

There is no single 'best' strap, rather a choice based on context and personal preference. Alligator offers the highest formal refinement and a natural texture that captures light beautifully; vegetable-tanned calf provides chromatic sobriety and a patina that ages gracefully; shell cordovan introduces lustre and deep colour; woven NATO fabric preserves the original model's sporting spirit. All these materials are compatible with the 20mm lug width.

To change the strap, you will need a specific tool (spring bar remover or similar implement) to remove the securing pins that hold the strap to the case lugs. Work on a flat, protected surface to shield the dial and case; the procedure demands care to avoid scratching details. If you are unfamiliar with the process, a professional watchmaker can complete it in minutes at minimal cost.

Yes, it is possible to fit aftermarket straps with a 20mm lug width to the CBL2115.FC6494 case. The essential requirement is that the strap respects the lug width and exhibits build quality consistent with the watch: noble leather, precise stitching, and finishing that does not diminish the case design. Custom straps crafted by the Casati Milano atelier are specifically designed to respect the Monaco's proportions and aesthetic.

The lifespan of a leather strap depends on usage, environment, and material quality. On average, a premium alligator or calf strap lasts 3–4 years with daily wear; if the watch is worn occasionally, longevity can extend to 5–6 years. Factors such as humidity, sun exposure, and frequency of water contact accelerate wear. Regular maintenance (gentle cleaning, proper drying) extends strap life. Specialist ateliers such as Casati Milano guarantee 18 months on their work, covering potential construction defects.