Breitling · Chronomat B01 44

Strap for Chronomat 44 Stainless Steel / Rose Gold / Diamond / Pearl Diamond / Bracelet

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
ReferenceCB011053.A698.375C
FamilyChronomat B01 44
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2009
CaseMother of Pearl | Rose Gold, Stainless 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 CB011053.A698.375C

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 CB011053.A698.375C, seen from the bench

The Breitling Chronomat B01 44 CB011053.A698.375C, born in 1984 for aerobatic pilots, features stainless steel and rose gold with a mother-of-pearl dial. The 44mm case houses the COSC-certified B01 manufacture movement, beating at 28,800 vph with a 70-hour power reserve. The chronograph mechanism uses a column wheel for precise engagement. Water-resistant to 200 meters, it features a sapphire crystal and screwed caseback. Lug width is 22mm, compatible with standard aftermarket straps.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 CB011053.A698.375C?

The lug width of the Breitling Chronomat B01 44 CB011053.A698.375C is 22mm. This is measured with a calliper at the inner gap between the lugs, where the spring bar sits. Any aftermarket strap with a standard 22mm attachment will be directly compatible with this reference.

What is the best strap for the Breitling Chronomat B01 44 CB011053.A698.375C with mother-of-pearl dial and rose gold accents?

For the Chronomat B01 44 CB011053.A698.375C in steel and rose gold with a mother-of-pearl dial, a vegetable-tanned alligator strap in navy blue or burgundy best complements the 44mm case mass and the iridescent reflections of the dial. A smooth grain box-calf strap in cognac accentuates the golden details. For sportier use, a black rubber strap preserves the chronograph's technical legibility.

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

The strap on the Breitling Chronomat B01 44 is removed using a spring bar tool inserted into the lug hole to compress and release the spring bar. The procedure does not require opening the case and does not affect water resistance. It is advisable to proceed carefully or consult a watchmaker to avoid scratching the rose gold surfaces.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 CB011053.A698.375C?

Yes. Any aftermarket strap with a standard 22mm straight-end attachment is compatible with the Breitling Chronomat B01 44 CB011053.A698.375C. Milanostraps.it offers a wide selection of handcrafted 22mm straps — in alligator, calf leather, NATO, and rubber — made to order by Casati Milano with an 18-month warranty against manufacturing defects.

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

The lifespan of a leather strap depends on the quality of the hide, the tanning process, and daily wear conditions. A high-grade vegetable-tanned alligator strap with hand-finished edges can last between 3 and 6 years with proper care — avoiding prolonged exposure to water and perspiration. Box-calf grain leather develops a pleasant patina over time but is more sensitive to moisture. Casati Milano provides an 18-month warranty on manufacturing defects for all straps produced in the atelier.

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