Breitling · Colt
Strap for Colt Lady Diamond / Pearl / Rubber / 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 A7738853/A770/141S/A14S.1
Selected for the 16 mm lug width
The Colt A7738853/A770/141S/A14S.1, seen from the bench
Frequently asked questions
What is the lug width of the Breitling Colt A7738853/A770/141S/A14S.1?
The lug width of the Breitling Colt A7738853/A770/141S/A14S.1 is 16mm. This measurement must be taken internally between the two lower lugs using a digital calliper positioned parallel to the bezel. Respecting this specification is essential to ensure the strap fits correctly without forcing.
What is the best strap for the Breitling Colt 33mm?
For the Breitling Colt 33mm, a Mat Hornback alligator or vegetable-tanned calf leather strap is the most coherent choice, reflecting the instrument-driven character of the model. Alligator enhances the brushed case finishes; vegetable-tanned calf develops a personal patina over time. For a more sporting register, a vulcanised rubber strap is the most functional solution. In all cases, the correct lug width is 16mm.
How do you change the strap on the Breitling Colt A7738853/A770/141S/A14S.1?
The strap on the Breitling Colt A7738853/A770/141S/A14S.1 is secured by standard 16mm spring bars. To replace it, use a spring bar tool — either a lever or pin type — to compress the bar, remove the old strap, and fit the new one. The procedure is fully reversible and requires no professional tools, though working on a soft surface is recommended to avoid scratching the case.
Are there aftermarket straps compatible with the Breitling Colt 33?
Yes, milanostraps.it offers a selection of aftermarket straps compatible with the Breitling Colt 33, all made to a 16mm lug width. Options range from Mat alligator to vegetable-tanned calf, shell cordovan, and vulcanised rubber. Brushed steel buckles or deployant clasps are also available for a finish consistent with the original case.
How long does a leather strap last on the Breitling Colt 33?
The lifespan of a leather strap depends on the quality of the tanning, leather thickness, and conditions of use. A quality vegetable-tanned calf strap worn daily with proper care typically lasts 2–4 years. Shell cordovan, owing to its dense fibre structure, can last considerably longer. Avoiding prolonged contact with water and perspiration, and occasionally applying a leather conditioner, will significantly extend the strap's service life.
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

