Breitling · Colt

Strap for Colt Lady Pearl / Sahara / Pin

The Colt Lady Pearl / Sahara / Pin takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width16 mm
Case diameter33 mm
ReferenceA7738811/A770/241X/A14BA.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/A770/241X/A14BA.1

Selected for the 16 mm lug width

All 16 mm straps →

The Colt A7738811/A770/241X/A14BA.1, seen from the bench

The Breitling Colt features the 77 caliber with hours, minutes, seconds, date functions and chronometer certification. The model has 16mm lugs for the strap. The watch has an automatic movement with date indication.

Frequently asked questions

What is the lug width of the Breitling Colt A7738811/A770/241X/A14BA.1?

The lug width of the Breitling Colt A7738811/A770/241X/A14BA.1 is 16mm. This measurement should be taken with a digital calliper positioned between the inner walls of the lugs, at the level of the spring bar pin. Respecting this dimension is essential to ensure proper fit and secure attachment of the strap.

What is the best strap for the Breitling Colt with 16mm lug width?

For the Breitling Colt with a 16mm lug width, a vegetable-tanned calf leather strap offers the most balanced pairing: formal restraint and excellent long-term character through natural patina development. Mississippiensis alligator with square scales is the choice for formal occasions, while ballistic nylon NATO is ideal for daily or active wear. In all cases, the strap's attachment buckle must be precisely calibrated to 16mm.

How do you change the strap on the Breitling Colt A7738811/A770/241X/A14BA.1?

To replace the strap on the Breitling Colt, a dedicated spring bar tool with a 0.8mm bifurcated tip is recommended. Insert the tool into the lug slot, compress the spring bar inward and slide the strap downward. Repeat on the opposite lug. To fit the new strap, insert the spring bar into the strap's attachment hole, compress and hook onto the first lug, then the second. The entire operation takes approximately two minutes with the correct tools.

Are there aftermarket straps compatible with the Breitling Colt 33mm?

Yes. The Breitling Colt 33mm with a 16mm lug width is compatible with any aftermarket strap built to that specification, provided the spring bar diameter matches the Breitling lug thickness (typically 1.5mm). Milano Straps offers a dedicated selection of 16mm straps in artisan leather, NATO and rubber, manufactured to ensure correct fit on this reference without any modification.

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

The lifespan of a leather strap depends on material quality, care and frequency of use. A high-grade vegetable-tanned calf strap, maintained with periodic conditioning cream and protected from prolonged moisture, can last between three and five years whilst retaining structural integrity. Alligator leather, owing to the density of exotic hide fibres, tends to last longer but requires greater care against weather exposure. Shell cordovan is the most durable option, with lifespans that can comfortably exceed a decade.

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

The atelier's website: casatimilano.com