Breitling
Colt A7738011.C677.813A— lug 16mm
Breitling Colt A7738011.C677.813A: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 16mm lug width to preserve the original sartorial balance."
Technical Specifications
Breitling A7738011.C677.813AThe essential strap measurement.
Browse 16mm straps →A7738011.C677.813A
Breitling caliber Caliber 77 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
Compatible Straps
Selected for the 16mm lug width of the Colt
FAQ
What is the lug width of the Breitling Colt A7738011.C677.813A?
The Breitling Colt A7738011.C677.813A has a lug width of 16mm. This measurement is critical when selecting a compatible strap: any aftermarket or bespoke strap must measure exactly 16mm at the buckle end to fit correctly between the lugs without forcing or lateral play.
What is the best strap for the Breitling Colt A7738011.C677.813A?
The ideal strap depends on the intended use. Vegetable-tanned calfskin is the most versatile option, developing a personal patina over time. Louisiana alligator elevates the formal character of the watch. For sport or marine use, vulcanised rubber provides waterproofing and thermal comfort. A butterfly deployant clasp in 316L steel complements any leather strap and improves wrist security.
How do you change the strap on a Breitling Colt A7738011.C677.813A?
The strap is replaced using the standard spring bar system integrated into the lugs. Using a bifurcated springbar tool, compress the bars laterally and slide out the strap. No specialist tools or watchmaker intervention are required. It is advisable to work on a soft surface to protect the case and crystal from scratches.
Are there aftermarket straps compatible with the Breitling Colt A7738011.C677.813A?
Yes. Any strap with a 16mm lug width is technically compatible with the Colt A7738011.C677.813A. Milano Straps offers a curated selection of handcrafted 16mm straps in various materials — calfskin, alligator, shell cordovan, NATO and rubber — finished to complement Breitling's original hardware. Casati Milano also offers fully bespoke options with in-atelier leather selection.
How long does a leather strap last on a Breitling Colt A7738011.C677.813A?
Strap longevity depends on material, care and frequency of use. A quality vegetable-tanned calfskin strap, regularly conditioned with leather cream and rotated with other straps, will typically last 3–5 years. Alligator, due to its denser hide structure, can exceed 5 years. Prolonged exposure to water and perspiration accelerates deterioration; for daily sport use, alternating with a rubber or NATO strap is strongly recommended.