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Breitling · Chronomat B01 44

Strap for Chronomat 44 White Gold / Diamond / Black Pearl Diamond / Bracelet

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

Lug width

22mm
22 mm strapsAll Breitling
Lug width22 mm
Case diameter44 mm
ReferenceJB0110AE.BC54.375J
FamilyChronomat B01 44
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Chronomat B01 44 JB0110AE.BC54.375J

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 JB0110AE.BC54.375J, seen from the bench

The Breitling Chronomat B01 44 JB0110AE.BC54.375J features a 44mm white gold case housing the in-house B01 chronograph movement, COSC-certified with approximately 70 hours power reserve. This sports watch, born in 1984 as the official instrument of the Italian Frecce Tricolori, combines aeronautical heritage with mechanical precision through its column-wheel chronograph and characteristic rider tabs on the rotating bezel. The lug width is 22mm, compatible with a wide range of strap materials and finishes.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 JB0110AE.BC54.375J?

The lug width of the Breitling Chronomat B01 44 JB0110AE.BC54.375J is 22mm. This measurement is taken with a digital calliper positioned internally between the two lugs, with the strap removed, at the widest point at the base of the lugs.

What is the best strap for the Breitling Chronomat B01 44 in white gold?

For the white gold case of the Chronomat B01 44, the most suitable materials are Hornback alligator in black or navy blue, bordeaux shell cordovan, and vegetable-tanned calf leather in cognac or tobacco tones. A white gold deployant clasp provides the most coherent metallic pairing.

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

The strap is removed using a spring bar tool. The lugs of the Chronomat B01 44 accept standard 22mm spring bars. It is advisable to work on a soft surface to protect the white gold case from accidental scratches during the swap.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 JB0110AE.BC54.375J?

Yes. Any strap with a straight 22mm attachment and standard taper is compatible. Milano Straps offers artisan aftermarket straps in leather, rubber, and NATO specifically curated for 22mm lugs, with finishes appropriate for an 18-carat white gold case.

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

Longevity depends on the material and use: a quality alligator strap with proper tanning typically lasts 3–5 years with daily wear. Shell cordovan, owing to the density of its fibres, tends to last longer whilst developing a natural patina. Prolonged exposure to water and perspiration should be avoided to preserve the leather's integrity.

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