Breitling · Chronomat B01 44

Strap for Chronomat 44 Stainless Steel / Rose Gold / Golden Sun 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
ReferenceCB0110AA.H548.375C
FamilyChronomat B01 44
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2017
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 CB0110AA.H548.375C

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 CB0110AA.H548.375C, seen from the bench

The Chronomat B01 44 is equipped with the automatic B01 caliber with column-wheel chronograph and chronometer certification. The case has a diameter of 44mm with 22mm lugs. The movement offers indication of hours, minutes, small seconds, date and chronograph function.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 CB0110AA.H548.375C?

The lug width of the Breitling Chronomat B01 44 CB0110AA.H548.375C is 22mm. This measurement is standard across the Chronomat 44 family and is compatible with all 22mm aftermarket straps, including versions with a standard buckle or deployant clasp.

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

For the Chronomat B01 44 in steel and rose gold, the most suitable materials are vegetable-tanned calfskin for a classic look, or alligator leather for a more formal pairing. A vulcanised rubber strap is an excellent choice if you wish to emphasise the sporty character of the B01 calibre. Cognac Brown or Burgundy tones complement the warm hues of the rose gold case beautifully.

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

The Chronomat B01 44 uses a standard 22mm springbar lug system. To replace the strap, compress the springbar pins with a dedicated springbar tool and slide the strap free. No specialist watchmaking assistance is required, though using a watch cushion is advisable to protect the rose gold case from accidental scratches.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 CB0110AA.H548.375C?

Yes, any strap with a 22mm attachment is compatible with the Breitling Chronomat B01 44 CB0110AA.H548.375C. Milano Straps offers a curated selection of handcrafted leather, alligator, NATO and rubber straps available specifically in 22mm, with either a standard buckle or deployant clasp.

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 and conditions of use. A high-quality vegetable-tanned calfskin strap, with regular use and proper conditioning (leather cream every 2–3 months), will typically last 2–4 years before showing significant wear. Alligator leather, owing to its denser fibre structure, tends to last longer. Avoiding prolonged contact with water and perspiration significantly extends the strap's 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