Breitling · Chronomat B01 41

Strap for Chronomat 41

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
ReferenceAB014012G712113X
FamilyChronomat B01 41
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
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 41 AB014012G712113X

Selected for the 20 mm lug width

All 20 mm straps →

The Chronomat B01 41 AB014012G712113X, seen from the bench

The Breitling Chronomat B01 41 (ref. AB014012G712113X) is a 41mm stainless steel chronograph with mixed satin and polished finish, featuring a 20mm lug width. Powered by the Breitling B01 in-house movement with column wheel chronograph mechanism, it offers 70 hours of power reserve and COSC certification with ±4 seconds/day accuracy. The integrated chronograph module reduces thickness while maintaining balance and symmetry. Functions include hours, minutes, small seconds at 6 o'clock, date at 3 o'clock, and chronograph counters at 9 and 12 o'clock, all precisely distributed on the dial.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 41 AB014012G712113X?

The lug width of the Breitling Chronomat B01 41 AB014012G712113X is 20mm. This measurement is taken with a digital calliper positioned inside the lugs, in contact with the inner surfaces of the case. It is the key parameter for selecting a compatible aftermarket strap.

What is the best strap for the Breitling Chronomat B01 41?

The choice depends on intended use. For formal occasions, an alligator strap with vegetable tanning and bombé grain is the most refined option. For everyday versatility, box-calf leather develops a natural patina over time. For sports or marine environments, a vulcanised rubber strap or a ballistic nylon NATO provides water and perspiration resistance without compromising aesthetics.

How do you change the strap on a Breitling Chronomat B01 41?

The strap is removed using a dedicated springbar tool, inserting the tip into the lug slot to compress the spring bar. It is advisable to work on a soft surface to protect the caseback and bezel. If you lack experience with this procedure, it is preferable to entrust the operation to a watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Chronomat B01 41 AB014012G712113X?

Yes. Any strap with a 20mm lug width and a straight or minimally curved end is technically compatible. Milano Straps offers a selection of handcrafted straps in various materials specifically curated for this lug size, with finishes suited to the Chronomat's sporting-elegant character.

How long does a leather strap last on a Breitling Chronomat B01 41?

Longevity depends on the material and frequency of use. A quality calf leather strap worn daily typically lasts 18 to 36 months. Cordovan and vegetable-tanned alligator, owing to their denser fibre structure, can last over 3 to 5 years if kept away from prolonged moisture. Milano Straps offers an 18-month warranty against manufacturing defects on all Casati Milano 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