Breitling · Chronomat B01 44

Strap for Chronomat 44 Stainless Steel / Diamond / Metallica Blue / Croco

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
ReferenceAB011053.C788.743P
FamilyChronomat B01 44
MovementBreitling caliber Caliber B01 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Chronometer
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Chronomat B01 44 AB011053.C788.743P

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 AB011053.C788.743P, seen from the bench

The Chronomat B01 44 features the in-house Breitling B01 automatic chronograph caliber with column-wheel mechanism and chronometer certification. The case diameter is 44mm with 22mm lugs. The movement offers hour, minute, small second, date, and chronograph functions.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 AB011053.C788.743P?

The lug width of the Breitling Chronomat B01 44 AB011053.C788.743P is 22 mm. This is the correct measurement to use when selecting any aftermarket strap compatible with this reference.

What is the best strap for the Breitling Chronomat B01 44?

For the Chronomat B01 44, the most suitable materials are Hornback alligator leather for formal contexts, shell cordovan for those seeking a natural patina over time, and vulcanised rubber for sporting use. A 22 mm steel deployant clasp is the most coherent closure choice given the professional character of this timepiece.

How do you change the strap on the Breitling Chronomat B01 44?

To change the strap on the Chronomat B01 44, use a 22 mm springbar and a fine-tipped springbar tool. Carefully compress and release the springbars within the lugs to detach the original bracelet, then attach the new strap by seating the springbars securely into the lug holes. Take care not to scratch the polished lug surfaces during this operation.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 AB011053.C788.743P?

Yes. Any strap with a 22 mm lug width is technically compatible with the Breitling Chronomat B01 44 AB011053.C788.743P. Milano Straps offers a curated selection of handcrafted 22 mm straps in Italian leather, shell cordovan, alligator, and rubber, suitable for both everyday wear and formal occasions.

How long does a leather strap last on a Breitling Chronomat B01 44?

The lifespan of a leather strap depends on the material, daily care, and exposure to perspiration and moisture. A strap in vegetable-tanned alligator leather or shell cordovan, if maintained with appropriate conditioners and rotated with other straps, can last between 3 and 7 years while retaining a refined appearance. Milano Straps straps carry an 18-month warranty 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only