Strap for Colt Lady Pearl Diamond / Rubber / Pin

The lug width of the Breitling Colt A7738811/A769/133S/A14S.1 is 16mm. This measurement should be taken with a calliper at the narrowest point between the lugs, directly against the case. All compatible straps on milanostraps.it are selected and tested for this specific dimension.

For a 33mm steel case with a professional heritage, vegetable-tanned calf leather is the most versatile option, developing a personal patina over time and suiting varied contexts. For a more formal register, alligator hornback grain adds texture without compromising the case's proportions. For sport or marine use, vulcanised rubber provides full water resistance and minimal upkeep.

Strap replacement is carried out using standard 16mm spring bars, removable with a flat-blade spring bar tool or a fine-tipped instrument. Always work on a soft surface to avoid scratching the case. If you are not confident doing this yourself, any watchmaker or specialist atelier can perform the operation in a matter of minutes without risk to the case.

Yes. Any strap with a 16mm attachment and standard spring bars is compatible. Milano Straps offers a curated selection of handcrafted straps — in leather, NATO and rubber — specifically tested for the 16mm lug width. For a fully bespoke solution with custom stitching and buckles, Casati Milano atelier produces made-to-measure straps by appointment.

A quality leather strap — in vegetable-tanned calf or alligator — typically lasts 18 to 36 months with daily wear, depending on exposure to perspiration, water and heat. Regular conditioning with a suitable leather cream and rotating between straps will significantly extend the strap's lifespan. Casati Milano offers an 18-month guarantee against manufacturing defects.