Strap for Colt 36 Diamond / Volcano Black / Bracelet

The Breitling Colt A7438953.BD82.178A has a lug width of 18mm. This measurement determines compatibility with any replacement strap: an 18mm strap will attach correctly to the case without modification.

For the 36mm steel Colt, a vegetable-tanned calf leather strap with a standard steel buckle is the most balanced choice for everyday wear. For formal occasions, a matte alligator strap highlights the COSC-certified B74 calibre. In sporting or maritime contexts, a nylon NATO or vulcanised rubber strap honours the model's tool-watch heritage.

Remove the strap using a spring bar tool inserted into the lug hole, compressing the spring bar to release it. Take care to protect the stainless steel case with a soft cloth to avoid scratches. Work on a stable, padded surface. Fitting the new strap is the reverse process: insert the spring bars and ensure they click securely into the lug holes.

Yes. The 18mm lug width is a well-documented standard measurement, compatible with a wide range of quality aftermarket straps. Milanostraps.it offers a curated selection of handcrafted 18mm straps made in Milan, available in calf leather, alligator, shell cordovan and NATO weaves, with standard buckle or deployant clasp options.

Longevity depends on the material and frequency of use. A quality vegetable-tanned calf strap, maintained with regular cleaning and neutral leather conditioner, typically lasts 2–4 years with daily wear. Shell cordovan, due to its dense fibre structure, tends to outlast standard calf. Alligator, properly conditioned, retains its scale definition and sheen for 3–5 years. Casati Milano provides an 18-month guarantee against manufacturing defects.