Breitling
Colt A7738711.BB51.158A— lug 16mm
Breitling Colt A7738711.BB51.158A: 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 A7738711.BB51.158AThe essential strap measurement.
Browse 16mm straps →A7738711.BB51.158A
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 A7738711.BB51.158A?
The lug width of the Breitling Colt A7738711.BB51.158A is 16mm. This measurement is taken internally between the two lugs using a digital calliper and determines compatibility with any standard replacement strap.
What is the best strap for the Breitling Colt A7738711.BB51.158A?
For the 33mm Breitling Colt A7738711.BB51.158A, a fine-grain vegetable-tanned calf leather strap offers the most balanced pairing: it complements the polished case surfaces and develops an authentic patina over time. A French-tanned alligator belly strap adds visual texture without overwhelming the compact proportions of the case.
How do you change the strap on a Breitling Colt A7738711.BB51.158A?
To replace the strap on the Breitling Colt A7738711.BB51.158A, you will need a dedicated springbar tool or a flat-blade lever. Compress the 16mm springbar within the lug, slide out the old strap, and insert the new one, ensuring the springbars click firmly into position. If unfamiliar with the procedure, it is advisable to have the work carried out by a watchmaker.
Are there aftermarket straps compatible with the Breitling Colt A7738711.BB51.158A?
Yes. Any strap with a 16mm straight-end fitting is compatible with the Breitling Colt A7738711.BB51.158A. Milanostraps.it offers a curated selection of handcrafted 16mm straps in various materials — leather, NATO, rubber — available both bespoke and ready to ship.
How long does a leather strap last on a Breitling Colt A7738711.BB51.158A?
The longevity of a leather strap depends on tanning quality and daily wear. A well-crafted vegetable-tanned calf strap, properly maintained with leather conditioner and rotated with other straps, typically lasts 2–4 years. A French-tanned alligator strap, being denser and more resilient, can exceed 5 years while retaining its structural integrity and appearance.