Strap for Chronomat 44

The lug width of the Breitling Chronomat B01 44 JB011011B972375J is 22 mm. This measurement refers to the internal distance between the case lugs and determines the attachment width of any compatible strap. For precise measurement, a digital calliper should be positioned between the inner walls of the lugs.

For the Chronomat B01 44 in white gold, an alligator leather strap with Louisiana grain is the most coherent choice both aesthetically and in terms of material quality: the reptile texture complements the cold lustre of the precious metal. Alternatively, vegetable-tanned Tuscan calf leather or shell cordovan offer compact surfaces with a distinguished ageing character. A deployant clasp is preferable to a traditional buckle, as it distributes tension evenly and preserves the strap's shape over time.

The strap on the Breitling Chronomat B01 44 is replaced using a fine-tip or fork-type spring bar tool, inserted into the dedicated slot of the spring bar within the lug. The spring bar must be compressed to release the strap on both sides. It is advisable to rest the watch on a soft surface and proceed carefully to avoid scratching the white gold case. If in doubt, the operation can be carried out by a watchmaker or at the Casati Milano atelier.

Yes, any strap with a 22 mm attachment width is geometrically compatible with the Breitling Chronomat B01 44 JB011011B972375J. It is important to ensure that the strap end is straight (not curved) and that the keeper and buckle are proportionate to the 44 mm case diameter. Milano Straps offers a curated selection of handcrafted 22 mm straps in leather, rubber and textile, specifically designed for chronographs of this calibre.

The lifespan of a leather strap depends on the material, frequency of use and maintenance. A quality alligator strap, properly conditioned with leather cream and protected from excessive moisture, can last between three and five years with daily wear. Shell cordovan, owing to its denser fibre structure, tends to last considerably longer. Milano Straps guarantees its handcrafted straps for 18 months against manufacturing defects.