Strap for Chronomat 44 Stainless Steel / White - Roman / Calf

The Breitling Chronomat B01 44, reference AB011011/A690/437X, features 22mm lugs. This measurement is consistent across the entire Chronomat 44 family and allows the use of any aftermarket strap with a 22mm attachment, provided the spring bar length is compatible with the stainless steel case.

For the steel Chronomat B01 44, the most suitable materials are vegetable-tanned Tuscan calf leather for formal-sport use, alligator (hornback or mississippiensis) for elegant occasions, and vulcanised rubber or nylon NATO straps for sporting and aquatic contexts. Colour selection depends on the dial: black or tobacco tones complement black dials, while honey brown or natural leather enhances silver dials.

Replacing the strap on the Chronomat B01 44 requires a spring bar tool with a fine tip. The original Breitling spring bars have a standard diameter; it is advisable to replace them with 1.8mm steel spring bars to ensure a secure fit. The operation can be carried out carefully at home or entrusted to a watchmaker or the Casati Milano atelier to avoid scratching the case.

Yes. Any strap with a 22mm attachment is technically compatible with the Chronomat B01 44 AB011011/A690/437X. MilanoStraps offers a selection of handcrafted 22mm straps in leather, alligator, rubber and NATO, finished and stitched to suit the proportions of the 44mm Breitling case. It is important to ensure the keeper is also sized at 22mm.

The lifespan of a leather strap depends on the quality of the tanning, frequency of use and exposure to perspiration and moisture. A high-quality vegetable-tanned Tuscan leather strap, with moderate daily use, can last between 2 and 4 years while retaining structural integrity and an evolved patina. Alligator leather, thanks to the fibrous structure of exotic hide, tends to last longer provided it is not regularly exposed to water. MilanoStraps offers an 18-month guarantee against manufacturing defects.