Breitling · Chronomat B01 44
Strap for Chronomat 44 Stainless Steel / Black / Japan Special Edition
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 44 A001B1PA (aka: A001B-1PA, A001B1PA)
Selected for the 22 mm lug width · workshop selection
Matte Dark Brown Alligator Strap€195
Matte Black Alligator Strap€195
Matte Dark Gray Alligator Strap€195
Vintage Brown Calfskin Strap — Natural Patina€98
Vintage Olive Green Calf Leather Watch Strap€80
The Chronomat B01 44 A001B1PA (aka: A001B-1PA, A001B1PA), seen from the bench
Frequently asked questions
What is the lug width of the Breitling Chronomat B01 44 A001B1PA?
The lug width of the Breitling Chronomat B01 44 A001B1PA is 22mm. This measurement is taken internally between the two lugs using a digital calliper placed directly against the case at its narrowest point. All aftermarket straps in the 22mm size are geometrically compatible with this reference.
What is the best strap for the Breitling Chronomat B01 44 A001B1PA?
The ideal choice depends on intended use and personal style. For a sport-elegant look, an alligator strap with hornback grain or a vegetable-tanned calf leather in tobacco or navy tones pairs exceptionally well with the steel case. For more active wear, a vulcanised rubber strap with a technical texture or a ballistic nylon NATO strap underscores the Chronomat's professional character. A 22mm steel deployant clasp is recommended for daily wearers.
How do you change the strap on a Breitling Chronomat B01 44 A001B1PA?
The Chronomat B01 44 uses a standard 22mm spring bar attachment system. Strap removal requires a flat-headed spring bar tool or a dedicated lug lever to release the spring bars housed within the lugs. The operation can be carried out independently with the appropriate tools, or entrusted to a watchmaker or to the Casati Milano atelier, which offers a fitting service upon strap delivery.
Are there aftermarket straps compatible with the Breitling Chronomat B01 44 A001B1PA?
Yes. Any strap with a 22mm lug width is geometrically compatible with the Breitling Chronomat B01 44 A001B1PA. Milano Straps offers a curated selection of handcrafted straps in leather, rubber and nylon, all made from premium materials and available in the 22mm size, with pin buckle or stainless steel deployant clasp options.
How long does a leather strap last on a Breitling Chronomat B01 44?
The longevity of a leather strap depends on the quality of the hide, the tanning process, and daily care. A high-quality vegetable-tanned leather strap, kept away from prolonged water exposure and treated periodically with a suitable leather conditioner, can last between three and six years with regular wear. Fine alligator straps develop a distinctive patina over time, which enhances their aesthetic value. Applying a leather-specific water-repellent spray will noticeably extend the strap's service life.
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
