Breitling · Colt

Strap for Colt Lady Volcano Black / Rubber / Pin

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter33 mm
ReferenceA7738811/BD46/133S/A14S.1
FamilyColt
MovementBreitling caliber 77 hours, minutes, seconds | date | chronometer
Year2014
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Colt A7738811/BD46/133S/A14S.1

Selected for the 16 mm lug width

All 16 mm straps →

The Colt A7738811/BD46/133S/A14S.1, seen from the bench

The Breitling Colt 33 model A7738811/BD46/133S/A14S.1 features a 33mm stainless steel case with applied indices and screw-back caseback, powered by the Breitling Caliber 77 COSC-certified movement. It displays hours, minutes, seconds and date functions with water resistance suitable for daily use. The 16mm lug width accommodates a wide range of aftermarket straps, from vegetable-tanned leather to rubber or NATO options.

Frequently asked questions

What is the lug width of the Breitling Colt A7738811/BD46/133S/A14S.1?

The lug width of the Breitling Colt A7738811/BD46/133S/A14S.1 is 16mm. This measurement should be taken with a digital calliper between the two upper lugs of the case and represents the exact reference for selecting any compatible aftermarket strap.

What is the best strap for the Breitling Colt 33mm?

The best strap for the Breitling Colt 33mm depends on the intended use. A vegetable-tanned Tuscan calf strap in Florentine grain complements the instrument-style dial with understated elegance, while a flat-belly alligator strap suits formal occasions. For intensive daily or sporting use, a ballistic nylon NATO strap or a vulcanised FKM rubber strap provides durability and comfort without compromising the watch's aesthetic.

How do you change the strap on a Breitling Colt A7738811/BD46/133S/A14S.1?

The strap on the Breitling Colt A7738811/BD46/133S/A14S.1 is secured by standard spring bars and can be removed using a pointed spring bar tool. Insert the tool into the lug slot, compress the spring bar and slide the strap free. To avoid scratching the stainless steel case, it is advisable to protect the lug area with a soft cloth or photographer's tape before proceeding.

Are there aftermarket straps compatible with the Breitling Colt 33?

Yes, any standard 16mm strap is compatible with the Breitling Colt 33. Milano Straps offers a dedicated selection of handcrafted straps in leather, alligator, calf, rubber and NATO at the correct width, with buckles and keepers proportioned to the 33mm case.

How long does a leather strap last on a Breitling Colt 33?

The lifespan of a leather strap depends on the material, frequency of use and level of care. A quality vegetable-tanned calf strap, kept away from water and conditioned periodically, typically lasts between two and four years with daily wear. Certified alligator straps, owing to the density of the skin, generally last longer — often in excess of five years. All Casati Milano straps carry an 18-month warranty against manufacturing defects.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only