Strap for Chronomat Colt 41 Automatic Silver / Calf / Folding

The lug width of the Breitling Colt A17313101G1X2 is 20 mm. This measurement refers to the internal distance between the case lugs and determines compatibility with any aftermarket strap. Before purchasing a replacement strap, it is advisable to verify this measurement directly on the watch using a digital calliper, in order to rule out any variation due to wear or previous replacements.

The ideal strap for the Breitling Colt A17313101G1X2 depends on the intended use. For daily or formal wear, a vegetable-tanned calf leather strap with a smooth or lightly grained finish offers comfort and develops a natural patina over time. For more refined occasions, alligator leather with hornback grain adds character without compromising the instrument-watch spirit of the Colt. For sport or outdoor use, an FKM rubber or ballistic nylon NATO strap is the most practical and durable option.

The strap on the Breitling Colt A17313101G1X2 is secured by standard 20 mm spring bars fitted within the lugs. Using a fine-tipped springbar tool, compress the bar on one side and slide the strap free. The procedure requires no specialist tools, though it is recommended to work on a soft surface to protect the case from scratches. Alternatively, a watchmaker or the Casati Milano service team can perform the swap in a matter of minutes.

Yes. Any strap with a straight 20 mm end is compatible with the Breitling Colt A17313101G1X2. milanostraps.it offers a curated selection of handcrafted straps in various materials — leather, alligator, calf, rubber, and NATO — manufactured to precise tolerances for an optimal fit with the Colt's lugs. For fully bespoke solutions in terms of leather, colour, and buckle, the Casati Milano atelier offers a made-to-order service by appointment.

The lifespan of a leather strap depends on three main factors: leather quality, tanning method, and regular maintenance. A quality vegetable-tanned calf strap worn daily and kept away from prolonged moisture typically lasts between 2 and 4 years. Alligator leather, thanks to the denser structure of its scales, tends to last longer when periodically treated with a suitable leather cream. Casati Milano straps carry an 18-month warranty against manufacturing defects.