Breitling · Chronomat B01 44

Strap for Chronomat 44 Stainless Steel / Rose Gold / Diamond / Pearl Diamond / 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
ReferenceCB011053.A698.739P
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.A698.739P

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 CB011053.A698.739P, seen from the bench

The Chronomat B01 44 is powered by the Breitling in-house automatic caliber B01 with column-wheel chronograph function and chronometer certification. The watch features a 44mm case with 22mm lugs and provides hour, minute, small second and date indication. The B01 movement ensures precise chronograph functions through the column-wheel system.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 CB011053.A698.739P?

The native lug width of the Breitling Chronomat B01 44 CB011053.A698.739P is 22mm. This measurement refers to the internal distance between the lugs of the case, best verified with a calliper directly on the caseback side. All aftermarket straps in 22mm are compatible without any adaptor.

What is the best strap for the Breitling Chronomat B01 44 with mother-of-pearl dial and rose gold/steel case?

For a mother-of-pearl dial paired with a bi-material rose gold and steel case, the most coherent materials are polished alligator in cognac, mocha or bordeaux tones, and vegetable-tanned calf leather in chocolate brown. Both complement the warm hue of the rose gold without competing with the iridescent complexity of the dial. A rose gold PVD deployant clasp completes the pairing and extends the strap's lifespan.

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

The Breitling Chronomat B01 44 uses standard 22mm spring bars. To replace the strap, use a fine-tipped spring bar tool: compress the spring bar within the lug slot, remove the existing strap, and fit the new one. It is advisable to work on a soft surface to protect the case finishing. If in doubt, any watchmaker or Casati Milano can perform the swap in a matter of minutes.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 CB011053.A698.739P?

Yes. The 22mm lug width is one of the most common in sports watchmaking, so aftermarket availability is extensive. Milano Straps produces handcrafted straps in alligator, calf leather, shell cordovan and other premium materials specifically compatible with this reference, available with pin buckle or deployant clasp. The attachment width is 22mm; the tail width can be tapered to 20mm according to aesthetic preference.

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

Longevity depends on the material and conditions of use. A good-quality vegetable-tanned calf strap worn daily under normal conditions typically lasts 18 to 36 months. Premium alligator can exceed four to five years with regular maintenance. It is advisable to avoid prolonged exposure to perspiration and water, to rotate between several straps, and to apply a leather conditioner every two to three months.

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