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Breitling · Chronomat B01 44

Strap for Chronomat 44 Stainless Steel / Frecce Tricolori / 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
ReferenceAB01104D.BC62.377A
FamilyChronomat B01 44
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2014 - 2017
CaseStainless Steel

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 AB01104D.BC62.377A

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 AB01104D.BC62.377A, seen from the bench

The Breitling Chronomat B01 44 AB01104D.BC62.377A is a professional chronograph rooted in 1984, when Breitling designed it for the Frecce Tricolori aerobatic team. The 44mm stainless steel case features characteristic rider tabs at six o'clock and a structured dial with three registers. At its core is the Breitling B01 manufacture calibre, an automatic chronograph movement with column wheel and vertical clutch, offering approximately 70 hours of power reserve and COSC chronometer certification. The 22mm lug width accommodates various strap materials while preserving the watch's technical, sport-oriented character.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 AB01104D.BC62.377A?

The Breitling Chronomat B01 44 AB01104D.BC62.377A has a lug width of 22mm. This measurement is taken at the narrowest point between the lugs using a digital calliper. Any strap with a 22mm attachment is compatible with this reference.

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

The most suitable strap choices for the Chronomat B01 44, in keeping with the watch's character, are: tropical-grain calf leather in Tan or Cognac for a vintage racing aesthetic, black alligator with contrast stitching for formal occasions, vulcanised rubber for intensive sport use, and double-layer NATO nylon for everyday wear. The correct lug width is 22mm.

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

To replace the strap on the Chronomat B01 44, you will need a spring bar tool. The lugs are robust and shaped: insert the tip of the tool into the lateral slot of the spring bar, compress it and slide the strap free. Take care not to scratch the case. If in any doubt, entrust the operation to a qualified watchmaker.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 AB01104D.BC62.377A?

Yes. Any strap with a 22mm attachment is geometrically compatible with the Breitling Chronomat B01 44 AB01104D.BC62.377A. Milano Straps offers a curated selection of handcrafted 22mm straps in leather, alligator, shell cordovan, NATO nylon and rubber, made in Italy with bespoke finishing and available with a standard buckle or deployant clasp.

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

The lifespan of a leather strap depends on the quality of the hide, the tanning process and conditions of use. A premium vegetable-tanned strap, used regularly but kept away from water immersion, will typically last between 2 and 4 years. The patina that develops over time is an intrinsic part of the leather's natural ageing. Milano Straps provides an 18-month guarantee against manufacturing defects on all handcrafted straps.

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