Breitling
Chronomat B01 41 AB0140AAF554378A— lug 20mm
Breitling Chronomat B01 41 AB0140AAF554378A: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Breitling AB0140AAF554378AThe essential strap measurement.
Browse 20mm straps →AB0140AAF554378A
Breitling caliber Caliber B01 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Chronometer
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Chronomat B01 41
FAQ
What is the lug width of the Breitling Chronomat B01 41 AB0140AAF554378A?
The lug width of the Breitling Chronomat B01 41 reference AB0140AAF554378A is 20mm. This measurement is taken between the two upper lugs of the case using a digital calliper, positioned flush against the bezel. It is one of the most widespread standards in high-end sport watchmaking, ensuring broad compatibility with quality aftermarket straps.
What is the best strap for the Breitling Chronomat B01 41 AB0140AAF554378A?
The ideal choice depends on intended use. A vegetable-tanned alligator strap enhances the sartorial character of the steel case. Box-calf leather provides everyday refinement with excellent wrist retention. For sport use or humid environments, vulcanised rubber is technically superior. A ballistic nylon NATO strap is consistent with the model's aviation heritage. All options require a 20mm lug width.
How do you change the strap on a Breitling Chronomat B01 41?
Replacing the strap on the Chronomat B01 41 requires a watchmaker's spring bar tool with a rounded tip. Insert the tool into the slot between the lug and the strap, compress the spring bar and slide it free. The operation takes approximately two minutes per side. Rest the case on a soft cloth to avoid scratching the bezel or the case mid.
Are there aftermarket straps compatible with the Breitling Chronomat B01 41?
Yes. The Chronomat B01 41 features a standard 20mm lug with conventional spring bars, making it compatible with any aftermarket strap of that width. Milano Straps offers a curated selection of leather, rubber and textile straps specifically assessed for the aesthetics and proportions of this model, with buckles and deployant clasps to match the case finish.
How long does a leather strap last on a Breitling Chronomat B01 41?
Longevity depends on leather quality, tanning method and daily use. A superior-grade vegetable-tanned calf strap typically lasts 18 to 24 months with regular wear. Alligator or shell cordovan, owing to their denser fibre structure, can exceed three years whilst developing a distinctive patina. Prolonged exposure to perspiration, water and UV radiation will significantly reduce the lifespan of any leather strap.