Breitling · Chronomat B01 44

Strap for Chronomat B01 Chronograph 44 Stainless Steel / Blackeye Grey / Croco / Folding

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
ReferenceAB0115101F1P2
FamilyChronomat B01 44
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2018
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 AB0115101F1P2

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 AB0115101F1P2, seen from the bench

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

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 AB0115101F1P2?

The Breitling Chronomat B01 44, reference AB0115101F1P2, features a lug width of 22mm. This measurement is consistent across the entire Chronomat 44 family and allows compatibility with any aftermarket strap fitted with a straight 22mm end.

What is the best strap for the Breitling Chronomat B01 44 AB0115101F1P2?

The ideal choice depends on context. For sporting or aviation use, a vegetable-tanned calf leather strap with structured grain or a nylon NATO aligns well with the model's technical heritage. For formal occasions, a matte alligator in black or dark brown complements the 44mm steel case without compromising its instrumental character.

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

The Chronomat B01 44 uses standard 22mm spring bars. Replacement requires a spring bar tool or a thin flat-head screwdriver: compress the spring bar on one side, remove the existing strap and slide the new one into place. This can be done independently in a matter of minutes, without sending the watch to a service centre.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 AB0115101F1P2?

Yes. Any strap with a straight 22mm attachment is compatible with the Chronomat B01 44. Milano Straps offers a curated selection of handcrafted leather, NATO and technical rubber straps specifically suited to 22mm lugs, with finishes chosen to complement the Chronomat's stainless steel case.

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

Longevity depends on the leather and frequency of wear. A quality vegetable-tanned calf strap worn daily typically lasts 12 to 24 months with standard care. Alligator, being denser and more compact, can exceed three years. Milano Straps offers an 18-month warranty 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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only