Breitling · Chronomat B01 44

Strap for Chronomat 44 Stainless Steel / Rose Gold / Amber / Calf

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
ReferenceCB011012/Q567/437X
FamilyChronomat B01 44
MovementBreitling caliber Caliber B01 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Chronometer
CaseRose 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 CB011012/Q567/437X

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 CB011012/Q567/437X, seen from the bench

The Breitling Chronomat B01 44 (reference CB011012/Q567/437X) debuted in 1984 as the official chronograph of the Italian Frecce Tricolori aerobatic team. This contemporary-generation model retains the original DNA with its bidirectional rotating bezel and characteristic rider tabs at 3, 6, 9, and 12 o'clock positions. The 44 mm two-tone case combines polished and satin-finished stainless steel with 18-carat rose gold inserts. Powered by the in-house Breitling Caliber B01 automatic chronograph movement featuring column-wheel technology, COSC chronometer-certified with a 70-hour power reserve. Lug width is 22 mm.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 CB011012/Q567/437X?

The lug width of the Breitling Chronomat B01 44 CB011012/Q567/437X is 22 mm. This measurement is taken by placing a ruler between the two lugs at the point where the strap attaches to the case. It is essential to use this figure when selecting compatible straps to ensure a proper fit without lateral play.

What is the best strap for the Breitling Chronomat B01 44 CB011012/Q567/437X?

For the Chronomat B01 44 with its two-tone rose gold and stainless steel case, a vegetable-tanned alligator strap in cognac or honey tones provides the most harmonious pairing, complementing the warmth of the rose gold. A natural-grain calfskin strap in tobacco offers a more everyday register, whilst vulcanised rubber or nylon NATO straps accentuate the model's sporting and aeronautical heritage.

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

The Breitling Chronomat B01 44 uses standard 22 mm spring bars. To replace the strap, a springbar tool is required: insert the tip into the lug slot, compress the spring bar and slide the strap free. The procedure does not require professional tools, but it is advisable to work on a soft surface to avoid scratching the case.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 CB011012/Q567/437X?

Yes, all straps with a 22 mm attachment width are technically compatible with the Breitling Chronomat B01 44. For an optimal fit, straps with slightly curved ends are preferable, as they follow the curvature of the case lugs. Milanostraps.it offers a selection of Italian-crafted 22 mm straps in leather, alligator, NATO and rubber.

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 method and daily use. A high-quality vegetable-tanned Tuscan leather strap, with regular use and proper care — periodic conditioning with neutral products and protection from water — can last between three and five years whilst retaining its structural and aesthetic integrity. Avoiding prolonged contact with perspiration and water will significantly extend the strap's service life.

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