Breitling
Colt A7438953.A771.239X— lug 18mm
Breitling Colt A7438953.A771.239X: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 18mm lug width to preserve the original sartorial balance."
Technical Specifications
Breitling A7438953.A771.239XThe essential strap measurement.
Browse 18mm straps →A7438953.A771.239X
Breitling caliber Caliber B74 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
Compatible Straps
Selected for the 18mm lug width of the Colt
FAQ
What is the lug width of the Breitling Colt A7438953.A771.239X?
The Breitling Colt A7438953.A771.239X has a lug width of 18mm. This measurement is taken using a digital calliper positioned between the two lugs at the narrowest point where the strap attaches to the case. Any compatible strap must have an 18mm attachment end.
What is the best strap for the Breitling Colt 36mm A7438953.A771.239X?
For the Colt 36mm in brushed stainless steel, a square-scale alligator strap with a matte or semi-gloss finish is the most coherent choice with the case's professional aesthetic. A vegetable-tanned calfskin strap is an excellent alternative, as it develops a personal patina over time that complements the military character of the model. For sport use, vulcanised rubber offers durability and comfort without compromise.
How do you change the strap on a Breitling Colt A7438953.A771.239X?
Strap replacement requires a 1.2mm spring bar tool. Insert the tip into the lateral notch of the spring bar between the lug and the strap, compress the spring, and slide the bar out. Repeat on both sides. It is advisable to work on a soft pad to avoid scratching the case. The new 18mm strap is fitted in reverse order.
Are there quality aftermarket straps compatible with the Breitling Colt 36mm?
Yes. The Breitling Colt A7438953.A771.239X uses a standard 18mm lug attachment, compatible with a wide range of artisan aftermarket straps. Milano Straps offers handcrafted options in alligator, calfskin, shell cordovan and rubber, all sized for 18mm lug width, with finishing standards comparable or superior to the original factory strap.
How long does a leather strap last on the Breitling Colt 36mm?
The lifespan of a leather strap depends on hide quality, tanning method and daily use. A high-grade alligator or vegetable-tanned calfskin strap used daily typically lasts between 18 and 36 months. Longevity is extended by avoiding prolonged exposure to water and perspiration, and by treating the leather periodically with appropriate conditioning products. Casati Milano straps carry an 18-month warranty against manufacturing defects.