Breitling
Chrono-Matic A1936003BA94146A— lug 20mm
Breitling Chrono-Matic A1936003BA94146A: 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 A1936003BA94146AThe essential strap measurement.
Browse 20mm straps →A1936003BA94146A
Breitling caliber Caliber 19 Hours, Minutes, Small Seconds | Date, Day, Month, 1461 Calendar | Chronograph | Moonphase | Chronometer
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Chrono-Matic
FAQ
What is the lug width of the Breitling Chrono-Matic A1936003BA94146A?
The Breitling Chrono-Matic A1936003BA94146A has a lug width of 20mm. This measurement should be taken with a digital calliper at the narrowest point between the two lugs, not at the outer edge where tapering may produce inaccurate readings. A 20mm strap with a slim-profile end is the correct choice for this reference.
What is the best strap for the Breitling Chrono-Matic A1936003BA94146A?
For the stainless steel Chrono-Matic, a hornback alligator strap with pronounced grain provides the most coherent material contrast against the satin-finished case. Alternatively, vegetable-tanned box-calf leather develops a patina over time that suits the historical character of this watch. For more active contexts, a ballistic nylon NATO strap or a vulcanised rubber strap offer functionality without compromising aesthetics.
How do you change the strap on the Breitling Chrono-Matic A1936003BA94146A?
Strap replacement requires 20mm springbars and a fine-tipped springbar tool. Pay particular attention to the crown positioned at 9 o'clock — a structural hallmark of the Chrono-Matic — as the upper strap end must be sufficiently slim to avoid friction with the crown during fitting. Work on a soft surface to protect the crystal and case.
Are there aftermarket straps compatible with the Breitling Chrono-Matic A1936003BA94146A?
Yes, standard 20mm aftermarket straps are compatible with the Chrono-Matic A1936003BA94146A, provided they respect the proportions of the original lugs and the asymmetric case geometry. Milano Straps offers a selection of compatible 20mm straps available online, as well as bespoke options through the Casati Milano atelier with personal material selection.
How long does a leather strap last on the Breitling Chrono-Matic A1936003BA94146A?
Strap longevity depends on material and usage. A quality vegetable-tanned box-calf strap, with regular conditioning, maintains structural integrity for 2–4 years of daily wear. Alligator, owing to the density of its fibres, can exceed 4–5 years. Shell cordovan offers the highest resistance to deformation. Avoiding prolonged exposure to perspiration and moisture significantly extends strap life.