Breitling · Colt
Strap for Colt Lady Volcano Black / Calf / Pin
Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Colt A7738811/BD46/408X/A14BA.1
Selected for the 16 mm lug width
The Colt A7738811/BD46/408X/A14BA.1, seen from the bench
Frequently asked questions
What is the lug width of the Breitling Colt A7738811/BD46/408X/A14BA.1?
The lug width of the Breitling Colt A7738811/BD46/408X/A14BA.1 is 16mm. This is a less common size compared to the standard 18 or 20mm, so it is essential to measure the internal distance between the lugs with a calliper before purchasing a replacement strap.
What is the best strap for the Breitling Colt 33mm?
For the 33mm Colt, the most suitable materials are finely grained calf leather and vegetable-tanned alligator for formal or semi-formal use. For sporting environments or exposure to water, a vulcanised rubber strap in 16mm provides grip and comfort without compromising the instrument's aesthetic.
How do you change the strap on a Breitling Colt A7738811/BD46/408X/A14BA.1?
To replace the strap, you will need a fine-tipped watchmaker's spring bar tool. Insert the tool into the notch of the spring bar, compress the spring, and slide the bar out from the lugs. The operation takes approximately two minutes per lug and can be carried out independently with care to avoid scratching the stainless steel case.
Are there aftermarket straps compatible with the 16mm lug width of the Breitling Colt?
Yes, Milano Straps offers a selection of aftermarket 16mm straps compatible with the Breitling Colt, available in calf leather, alligator, NATO webbing, and rubber. Each strap is crafted to the precise 16mm attachment width to ensure a clean fit at the lugs without mechanical stress.
How long does a leather strap last on a Breitling Colt?
The lifespan of a leather strap depends on the quality of the hide, the tanning method, and daily use. A quality vegetable-tanned calf strap worn regularly typically lasts 18 to 36 months. Vegetable-tanned alligator tends to last longer, developing a distinctive patina over time. Frequent exposure to perspiration and water significantly reduces longevity; in such cases, alternating with a technical strap is advisable.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

