Technical Archive

Breitling
Chronomat B01 41 AB0140AABA52428X— lug 20mm

Breitling Chronomat B01 41 AB0140AABA52428X: 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 AB0140AABA52428X
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

AB0140AABA52428X

Movement

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

The Heritage

The Chronomat B01 41 is powered by the in-house B01 automatic caliber with column-wheel chronograph function and chronometer certification. The movement offers indication of hours, minutes, small seconds and date, in addition to chronograph functions. The case has a diameter of 41mm according to the model denomination.

FAQ

What is the lug width of the Breitling Chronomat B01 41 AB0140AABA52428X?

The Breitling Chronomat B01 41 AB0140AABA52428X has a lug width of 20 mm. This measurement is taken with a calliper across the inner distance between the two lugs on the case. Any replacement strap purchased for this model must match this 20 mm specification.

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

For the stainless steel Chronomat B01 41, the most suitable materials are domed alligator leather for a smart-sporting aesthetic, vegetable-tanned calf leather for everyday wear with a natural patina developing over time, and vulcanised rubber for aquatic or high-activity use. The ideal choice depends on intended usage and preferred colour combinations.

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

Strap replacement requires a springbar tool to compress the spring bars housed within the lug holes. Insert the forked tip into the lug slot, compress the spring bar and slide the strap free. Repeat for the opposite lug. It is advisable to work on a soft surface to protect the case from scratches during the operation.

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

Yes. The Chronomat B01 41 uses standard 20 mm spring bars, making it compatible with any aftermarket strap at a 20 mm lug width. Milanostraps.it offers a curated selection of handcrafted leather, rubber and textile straps specifically made for 20 mm lugs, paired with stainless steel buckles or deployant clasps.

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

The lifespan of a leather strap depends on the hide, tanning method and frequency of use. A quality vegetable-tanned calf strap typically lasts between 18 and 36 months with regular wear. Alligator and shell cordovan, due to their denser fibre structure, tend to last longer and develop a distinguished patina. Prolonged exposure to water and perspiration should be avoided to maximise strap longevity.