Breitling
Colt A1731311.C934.428X— lug 20mm
Breitling Colt A1731311.C934.428X: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Breitling A1731311.C934.428XThe essential strap measurement.
Browse 20mm straps →A1731311.C934.428X
Breitling caliber Caliber 17 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Colt
FAQ
What is the lug width of the Breitling Colt A1731311.C934.428X?
The Breitling Colt A1731311.C934.428X has a lug width of 20mm. This measurement, taken with a digital calliper between the two lugs at their narrowest point, is the essential parameter for selecting compatible aftermarket straps without forcing the spring bars.
What is the best strap for the Breitling Colt A1731311.C934.428X?
The Colt A1731311.C934.428X pairs well with alligator belly straps in tobacco or midnight blue for formal wear, or with vulcanised rubber or cordura straps for sporting contexts. Black or dark brown Box Calf leather is the most versatile choice for everyday mixed use.
How do you change the strap on a Breitling Colt A1731311.C934.428X?
To replace the strap on the Breitling Colt A1731311.C934.428X, use a fork-tip or fine-point spring bar tool. The 20mm spring bars release by pressing the pins within the lug slots. The operation is fully reversible and requires no professional tools, though working on a soft surface is advisable to avoid scratching the stainless steel case.
Are there aftermarket straps compatible with the Breitling Colt A1731311.C934.428X?
Yes. Any strap with a 20mm attachment width is mechanically compatible with the Breitling Colt A1731311.C934.428X. Milano Straps offers a curated selection of handcrafted 20mm straps in fine leathers and technical materials, all compatible with this Breitling reference.
How long does a leather strap last on a Breitling Colt A1731311.C934.428X?
The lifespan of a leather strap on a Breitling Colt depends on the material, care routine, and frequency of use. A quality alligator or shell cordovan strap, rotated regularly and kept away from water, can last between three and seven years whilst retaining structural integrity. Vegetable-tanned leather straps develop patina over time but require periodic conditioning with natural waxes to preserve the hide fibres.