Technical Archive

Breitling
Chronomat 32 A773105A1A1A1— lug 16mm

Breitling Chronomat 32 A773105A1A1A1: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Chronomat 32 Six Nations England

Artisanal Note

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

Technical Specifications

Breitling A773105A1A1A1
Lug Width
16 mm

The essential strap measurement.

Browse 16mm straps →
Reference

A773105A1A1A1

Movement

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

The Heritage

The Breitling Chronomat 32 Six Nations England, reference A773105A1A1A1, continues a solid heritage in Swiss sports watchmaking. The Chronomat line was created in 1984 as a professional tool for pilots. This 32mm stainless steel case reinterprets that legacy with the iconic four rider tabs bezel and structured dial, delivering technical substance with harmonious proportions. The Breitling Caliber 77 movement inside provides COSC chronometer certification, measuring hours, minutes, seconds and date. The 16mm lug width defines the compatible strap family.

FAQ

What is the lug width of the Breitling Chronomat 32 A773105A1A1A1?

The Breitling Chronomat 32 reference A773105A1A1A1 features 16mm lugs. This measurement is taken internally between the two case horns and is the essential parameter for selecting a perfectly fitting aftermarket strap.

What is the best strap for the Breitling Chronomat 32?

The choice depends on context. For a smart-casual or dressy setting, a vegetable-tanned alligator strap in 16mm enhances the stainless steel case and develops a distinctive patina over time. For intensive daily wear, a cross-grain calf leather or vulcanised rubber strap offers durability and practicality without compromising aesthetics.

How do you change the strap on a Breitling Chronomat 32?

The strap on the Chronomat 32 is replaced using a spring bar tool to release the spring bars holding the 16mm strap to the case lugs. It is a straightforward procedure, but care must be taken to avoid scratching the case. If in doubt, it is advisable to consult a watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Chronomat 32 A773105A1A1A1?

Yes. Any strap with a 16mm lug width is technically compatible with the Chronomat 32 A773105A1A1A1. Milano Straps offers a curated selection of handcrafted straps in alligator, calf leather, shell cordovan and NATO specifically in 16mm, with bespoke options made to order by the Casati Milano atelier.

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

Longevity depends on the material and conditions of use. A vegetable-tanned alligator strap, properly maintained and kept away from excessive moisture and perspiration, can last between three and six years while retaining a refined appearance. Shell cordovan is even more resistant to deformation. Casati Milano straps carry an 18-month warranty against manufacturing defects.