Breitling · Chronomat B01 42
Strap for Chronomat B01 42 NFL Jacksonville Jaguars
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Chronomat B01 42 AB01342B1L3S1
Selected for the 22 mm lug width · workshop selection
Matte Black Alligator Strap€270
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
The Chronomat B01 42 AB01342B1L3S1, seen from the bench
Frequently asked questions
What is the lug width of the Breitling Chronomat B01 42 AB01342B1L3S1?
The lug width of the Breitling Chronomat B01 42 AB01342B1L3S1 is 22mm. This measurement is standard across the entire Chronomat 42 family and is taken as the internal distance between the two lugs at the strap attachment point, best measured with a vernier calliper for accuracy.
What is the best strap for the Breitling Chronomat B01 42?
The most suitable straps for the Chronomat B01 42 are: Mississippiensis alligator for formal occasions, vegetable-tanned Tuscan calf leather for daily wear (it develops a distinguished patina over time), ballistic nylon NATO for aeronautical heritage accuracy, or vulcanised rubber for intensive sporting use. A brushed steel deployant clasp is recommended for fine leather straps to distribute tension evenly.
How do you change the strap on a Breitling Chronomat B01 42?
The Chronomat B01 42 uses a standard 22mm spring bar lug attachment system. To replace the strap, use a dedicated springbar tool or thin-bladed lever: compress both ends of the spring bar to release it from the lugs, remove the old strap and fit the new one. The operation takes approximately two minutes and requires no specialist watchmaking skills.
Are there aftermarket straps compatible with the Breitling Chronomat B01 42?
Yes. Any standard 22mm spring bar strap is compatible with the Breitling Chronomat B01 42. Milano Straps offers handcrafted straps in Italian calf leather, alligator, shell cordovan and rubber, all produced with a 22mm attachment width tapered to 20mm or 18mm at the buckle, maintaining the correct aesthetic proportions of the case.
How long does a leather strap last on a Breitling Chronomat B01 42?
Strap longevity depends on leather quality and usage habits. A quality vegetable-tanned calf strap typically lasts 2–4 years with daily wear. Alligator or shell cordovan straps, being denser and more resilient materials, can exceed 5–7 years with proper care — regular conditioning cream and avoidance of prolonged moisture. Milano Straps provides an 18-month guarantee against manufacturing defects.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
