Technical Archive

Breitling
Chronomat 32 A773109A1C1A1— lug 16mm

Breitling Chronomat 32 A773109A1C1A1: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomat 32 Six Nations France

Artisanal Note

"This model requires a precise 16mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling A773109A1C1A1
Lug Width
16 mm

The essential strap measurement.

Browse 16mm straps →
Reference

A773109A1C1A1

Movement

Breitling caliber Caliber 77 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Breitling Chronomat 32 A773109A1C1A1 is a complete interpretation of instrumental aesthetics rooted in 1984, featuring the distinctive rider tabs on its bidirectional rotating bezel. The 32mm stainless steel case houses the Breitling 77 chronometer-certified movement, guaranteeing ±4 seconds per day precision. The lug width is 16mm, a technical specification essential for choosing compatible aftermarket straps for this versatile sports chronograph.

FAQ

What is the lug width of the Breitling Chronomat 32 A773109A1C1A1?

The Breitling Chronomat 32 A773109A1C1A1 has a lug width of 16mm. This measurement should be taken internally between the lugs using a digital calliper placed directly against the case, ensuring accurate compatibility when selecting a replacement strap.

What is the best strap for the Breitling Chronomat 32 A773109A1C1A1?

The most suitable materials for the Chronomat 32 A773109A1C1A1 are vegetable-tanned alligator for formal occasions, smooth calf leather for everyday elegance with natural patina development, and technical nylon NATO to reflect the model's aviation heritage. The final choice should always begin with a chromatic match between the dial, bezel and strap colour.

How do I change the strap on a Breitling Chronomat 32 A773109A1C1A1?

To replace the strap, use a fine-tipped or lever-style spring bar tool, inserting it into the gap between the lug and the strap end to compress the spring bar. On a 32mm case with narrow lugs, work on a soft surface to avoid scratching the case. If in doubt, it is advisable to have the strap changed by a qualified watchmaker.

Is there a compatible aftermarket strap for the Breitling Chronomat 32 A773109A1C1A1?

Yes. Any strap with a 16mm lug width and standard spring bars is compatible with the Chronomat 32 A773109A1C1A1. Milanostraps.it offers a curated selection filtered by this specific lug width, including handcrafted leather, NATO, and rubber options, all produced to specifications compatible with Breitling cases.

How long does a leather strap last on a Breitling Chronomat 32 A773109A1C1A1?

Longevity depends on the material and frequency of use. A quality vegetable-tanned calf strap, conditioned regularly with leather cream, typically lasts 2–4 years with daily wear. A well-tanned alligator strap can exceed 5 years. Regular exposure to water and perspiration accelerates deterioration; for sport or water-related use, a rubber or NATO strap is a more practical choice.