Technical Archive

Breitling
Chronomat Evolution C1335611/A619— lug 20mm

Breitling Chronomat Evolution C1335611/A619: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomat Evolution Stainless Steel / Yellow Gold / White - Roman

Artisanal Note

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

Technical Specifications

Breitling C1335611/A619
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

C1335611/A619

Movement

Breitling caliber Caliber 13 Hours, Minutes, Small Seconds | Date | Chronograph

The Heritage

The Breitling Chronomat Evolution C1335611/A619 is a two-tone stainless steel and 18K yellow gold chronograph featuring a 43.70 mm case diameter and Breitling Caliber 13 automatic movement, COSC-certified as an official chronometer. The unidirectional bezel with applied indices and the screwed caseback ensure water resistance and instrument functionality. The watch requires a 20 mm strap width for proper compatibility with the case lugs.

FAQ

What is the lug width of the Breitling Chronomat Evolution C1335611/A619?

The lug width of the Breitling Chronomat Evolution C1335611/A619 is 20 mm. This measurement is taken using a millimetre calliper between the inner edges of the two lugs on the case. It is an essential specification for selecting a compatible strap that fits without lateral play or misalignment.

What is the best strap for the Breitling Chronomat Evolution C1335611/A619?

For a bi-material case in stainless steel and yellow gold such as the Chronomat Evolution C1335611/A619, a square-scaled alligator strap in cognac or gloss black is the most aesthetically coherent choice. Vegetable-tanned calf leather suits daily wear, developing an authentic patina over time. NATO or vulcanised rubber straps are recommended for sporting or marine environments.

How do you change the strap on the Breitling Chronomat Evolution C1335611/A619?

The strap is removed using a fine-tipped spring bar tool, carefully depressing the spring bar that connects the strap to the case lugs. Work on a soft surface to avoid scratching the case and do not apply excessive force to the lugs. If in doubt, entrust the operation to a watchmaker or contact Casati Milano atelier for professional assistance.

Is there an aftermarket strap compatible with the Breitling Chronomat Evolution C1335611/A619?

Yes. Any strap with a 20 mm lug width is technically compatible with the Chronomat Evolution C1335611/A619, provided the end curvature suits the geometry of Breitling's lugs. Milano Straps offers a curated selection of handcrafted 20 mm straps — in alligator, calf leather, NATO and rubber — designed for precise fit and finish consistent with the watch's aesthetic.

How long does a leather strap last on a Breitling Chronomat Evolution C1335611/A619?

The lifespan of a leather strap depends on leather quality, frequency of wear and exposure to perspiration and moisture. A high-quality alligator or calf leather strap with waxed-thread stitching and appropriate protective treatments can last between 2 and 5 years under regular use. Casati Milano's 18-month warranty covers manufacturing defects; actual longevity also depends on daily care and maintenance.