Strap for Chronomat 44

The lug width of the Breitling Chronomat B01 44 IB011012.B968.435X is 22 mm. This measurement is taken at the point of contact between the strap and the lower lugs of the case. Using a strap of precisely 22 mm is essential to ensure correct fitment and optimal mechanical retention.

The choice depends on intended use. For formal occasions, an alligator strap with Mississippiensis grain complements the rose gold bezel beautifully. For everyday sporting use, vegetable-tanned calfskin develops an excellent patina over time. For water sports or diving, a nylon NATO strap or vulcanised rubber are the most practical and durable options.

The Chronomat B01 44 uses a standard 22 mm spring bar system. Using a suitable angled-tip screwdriver or a spring bar tool, the bar securing the strap between the lugs is released. The operation is fully reversible and does not require a watchmaker, though it is advisable to work on a soft surface to avoid scratching the case.

Yes. Any strap with a 22 mm lug width is compatible. Milano Straps offers a selection of handcrafted straps — in alligator, calfskin, shell cordovan, NATO and rubber — made from premium materials with stainless steel buckles or deployant clasps. Available online at milanostraps.it or bespoke through Casati Milano atelier.

A quality leather strap, properly maintained, typically lasts between 18 and 36 months with daily wear. Longevity depends on the material: shell cordovan is among the most durable due to its dense fibrous structure; vegetable-tanned calfskin develops a patina and improves with age; alligator requires greater care regarding moisture. Avoiding prolonged contact with water and perspiration significantly extends the strap's lifespan.