Technical Archive

Breitling
Chrono-Matic A1936003BA94441X— lug 20mm

Breitling Chrono-Matic A1936003BA94441X: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Navitimer Chrono-Matic 1461

Artisanal Note

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

Technical Specifications

Breitling A1936003BA94441X
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

A1936003BA94441X

Movement

Breitling caliber Caliber 19 Hours, Minutes, Small Seconds | Date, Day, Month, 1461 Calendar | Chronograph | Moonphase | Chronometer

The Heritage

The Breitling Chrono-Matic 1461 (ref. A1936003BA94441X) features the Breitling 19 movement, an automatic chronograph with perpetual calendar complication that automatically adjusts for four-year leap cycles without manual intervention. The stainless steel case houses hours, minutes, small seconds, integrated chronograph, date/day/month display, moon phase, and perpetual calendar. The 20mm lug width defines the strap interface, requiring properly sized replacement straps. This model represents a technical evolution of the legendary caliber 11, combining cockpit instrument precision with haute horlogerie complications.

FAQ

What is the lug width of the Breitling Chrono-Matic A1936003BA94441X?

The lug width of the Breitling Chrono-Matic A1936003BA94441X is 20mm. This measurement is taken between the two lugs at their narrowest point, where the strap inserts into the case. A digital calliper or precision ruler is recommended for an accurate reading.

What is the best strap for the Breitling Chrono-Matic A1936003BA94441X?

For the Breitling Chrono-Matic A1936003BA94441X, three primary options stand out: vegetable-tanned alligator leather for formal and high-end pairings, shell cordovan for everyday wear with developing patina, and vulcanised rubber for sports or outdoor use. The ideal choice depends on intended use and aesthetic preference.

How do you change the strap on a Breitling Chrono-Matic A1936003BA94441X?

Strap replacement requires a fine-tipped springbar tool or a dedicated watchmaker's knife. Compress the springbar inside the lug, slide the strap out, and insert the new one, ensuring the springbars click firmly into their designated holes. If unfamiliar with the procedure, it is advisable to have the work carried out by a professional watchmaker.

Are there aftermarket straps compatible with the Breitling Chrono-Matic A1936003BA94441X?

Yes. The Breitling Chrono-Matic A1936003BA94441X features a standard 20mm lug width, compatible with the vast majority of quality aftermarket straps. Milano Straps offers a curated selection of 20mm straps in various materials and finishes, including bespoke options crafted by the Casati Milano atelier.

How long does a leather strap last on a Breitling Chrono-Matic A1936003BA94441X?

Longevity depends on the material and frequency of wear. A quality alligator strap, properly maintained with leather conditioner and kept away from prolonged moisture, will typically last 3 to 5 years under regular use. Shell cordovan, owing to its dense fibre structure, can exceed 5 years whilst developing a distinctive patina. Vegetable-tanned leathers generally improve with age, moulding to the wrist over time.