Breitling · Chronomat B01 44

Strap for Chronomat 44 Blacksteel / Raven / Rubber

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
ReferenceMB0111C2.BD07.153S
FamilyChronomat B01 44
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2014
CaseStainless 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 MB0111C2.BD07.153S

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 MB0111C2.BD07.153S, seen from the bench

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

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 MB0111C2.BD07.153S?

The lug width of the Breitling Chronomat B01 44 MB0111C2.BD07.153S is 22mm. This measurement refers to the internal distance between the two lugs of the case where the strap is fitted. Always specify 22mm when purchasing a compatible aftermarket strap.

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

The Breitling Chronomat B01 44 pairs exceptionally well with alligator straps in black or tobacco brown for formal occasions, vegetable-tanned calf leather for everyday wear, and nylon NATO straps for an aviation-inspired look consistent with the watch's heritage. For aquatic or sporting use, vulcanised rubber is the most technically appropriate choice. The correct width is 22mm.

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

To replace the strap on the Breitling Chronomat B01 44, you will need a fine-tipped spring bar tool. Standard 22mm spring bars compress and slide out from the case lugs. The procedure takes only a few minutes and does not require professional tools, though it is advisable to work on a soft surface to avoid scratching the stainless steel case.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 MB0111C2.BD07.153S?

Yes, any strap with a 22mm lug width and standard spring bars is compatible with the Breitling Chronomat B01 44 MB0111C2.BD07.153S. Milanostraps.it offers a curated selection of handcrafted leather, NATO and rubber straps specifically suited to this model, with a 22mm lug end tapering to 20mm at the buckle.

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

The lifespan of a leather strap depends on leather quality, frequency of use, and exposure to perspiration and moisture. A high-quality alligator or vegetable-tanned calf strap with reinforced stitching can last between two and five years with regular use. Casati Milano straps carry an 18-month guarantee against manufacturing defects.

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