Strap for Chronomat 44

The lug width of the Breitling Chronomat B01 44 reference IB011012C790105X is 22 mm. This measurement is taken with a digital calliper at the point where the strap attaches between the lugs, and allows any 22 mm aftermarket strap to be fitted without adaptors.

For the two-tone rose gold and steel variant, an alligator strap in vegetable-tanned leather in cognac or tobacco tones provides the most coherent pairing, complementing the warm case finishes. For sporting use, vulcanised rubber in black or anthracite is the most functional and durable choice. Box-calf and shell cordovan leathers are excellent alternatives for a formal and refined look.

To replace the strap, use a spring bar tool or a thin-tipped lever. Insert the tool into the hole or seat of the spring bar, compress the spring and slide the strap away from the lug. The operation is fully reversible and requires no specialist technical intervention. It is advisable to work on a soft surface to protect the case, and to ensure the spring bars are the correct thickness for 22 mm lugs.

Yes. Any strap with a 22 mm end piece is technically compatible with the Chronomat B01 44. Milanostraps.it offers a selection of handcrafted straps in 22 mm — in alligator, calf, shell cordovan, NATO and rubber — made specifically for watches of this diameter and quality tier. Buckles or deployant clasps can be chosen in steel or rose gold PVD to match the two-tone case.

The lifespan of a leather strap depends on the type of leather, frequency of use and care. A quality vegetable-tanned alligator strap worn daily has an average lifespan of 18 to 36 months. Shell cordovan, due to its compact fibre structure, tends to last longer and develops a distinguished patina over time. Avoiding prolonged contact with water and perspiration significantly extends strap life. Milanostraps offers an 18-month guarantee against manufacturing defects.