Technical Archive

Breitling
Chronomat B01 41 AB0140AABA52378A— lug 20mm

Breitling Chronomat B01 41 AB0140AABA52378A: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomat 41

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling AB0140AABA52378A
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

AB0140AABA52378A

Movement

Breitling caliber Caliber B01 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Chronometer

The Heritage

The Breitling Chronomat B01 41 is a professional pilot's chronograph born from collaboration with the Italian Aerobatic Patrol in 1984. The 41mm stainless steel case with mixed satin and polished finish houses the Breitling B01 in-house caliber, an automatic mechanical movement with column wheel architecture, COSC-certified chronometer, and approximately 70 hours power reserve. Reference AB0140AABA52378A features a silvered dial, hour/minute/small seconds, date window at 3 o'clock, and 12/30-hour chronograph subdials. Water-resistant to 200 meters. Lug width: 20mm.

FAQ

What is the lug width of the Breitling Chronomat B01 41 AB0140AABA52378A?

The lug width of the Breitling Chronomat B01 41 AB0140AABA52378A is 20mm. This measurement is taken with a digital calliper placed between the two lower lugs of the case, at the point where the strap connects.

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

The most suitable materials for the Chronomat B01 41 are vegetable-tanned alligator for a formal register, box calf leather for everyday versatility, and moulded rubber to complement the sporting character of the B01 calibre. The choice depends on the intended context and the desired chromatic pairing with the dial.

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

To replace the strap on the Chronomat B01 41, a spring bar tool with a fine or forked tip is required. Compress the spring bar housed within the lugs, remove the existing strap or bracelet, and insert the new 20mm strap. Care should be taken not to scratch the steel lugs; protecting the case with technical tape during the procedure is advisable.

Are there aftermarket straps compatible with the Breitling Chronomat B01 41 AB0140AABA52378A?

Yes. All straps with a straight or slightly curved 20mm attachment are compatible with the Breitling Chronomat B01 41 AB0140AABA52378A. Milanostraps.it offers a curated selection of high-quality aftermarket straps in various materials, designed to fit correctly to the lug geometry of the Chronomat.

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

The lifespan of a leather strap depends on the quality of the hide, frequency of use, and exposure to perspiration and environmental factors. A high-grade alligator or calf leather strap, with daily wear and proper maintenance, typically lasts between 18 and 36 months. Avoiding prolonged contact with water and occasionally applying a leather conditioner will significantly extend its service life.