Breitling
Colt A7438953.A771.237S— lug 18mm
Breitling Colt A7438953.A771.237S: 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.A771.237SThe essential strap measurement.
Browse 18mm straps →A7438953.A771.237S
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.A771.237S?
The Breitling Colt A7438953.A771.237S has a lug width of 18mm. This measurement, taken between the two lugs on the case back using a calliper or ruler, determines the correct strap width. It is less common than the standard 20mm, so always verify the specification before purchasing a replacement strap.
What is the best strap for the Breitling Colt A7438953.A771.237S?
For the 36mm steel Colt, a vegetable-tanned alligator strap in black or tobacco brown is the most coherent choice given the instrument's identity. Alternatively, a box calf leather or technical nylon NATO strap respects the watch's professional character. A brushed steel ardillon buckle or a deployant clasp completes the pairing.
How do I change the strap on the Breitling Colt A7438953.A771.237S?
To replace the strap on the Colt A7438953.A771.237S, you will need a springbar tool. The 18mm spring bars are released by compressing them between the lugs, allowing the old strap to be removed and the new one fitted. Work on a soft surface to avoid scratching the case. If in doubt, a watchmaker or the Casati Milano atelier can perform the swap in minutes.
Are there aftermarket straps compatible with the Breitling Colt A7438953.A771.237S?
Yes. Any strap with an 18mm lug width is technically compatible with the Breitling Colt A7438953.A771.237S. Milanostraps.it offers a dedicated selection of 18mm leather, NATO and rubber straps, handcrafted from premium materials. Purchasing the original Breitling strap is not required to achieve quality and correct fitment.
How long does a leather strap last on the Breitling Colt A7438953.A771.237S?
The lifespan of a leather strap depends on the material and usage. A quality vegetable-tanned alligator strap, properly maintained (avoiding water and extreme humidity, with periodic application of leather conditioner), can last between 3 and 7 years. Box calf leather, while more affordable, tends to wear more quickly. Shell cordovan is among the most durable leathers available for watch straps.