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Breitling · Colt

Strap for Colt 44 Blue / Calf

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Breitling
Lug width22 mm
Case diameter44 mm
ReferenceA7438710.C849.105X
FamilyColt
MovementBreitling caliber B74 hours, minutes, seconds | date | chronometer
Year2011 - 2014
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Colt A7438710.C849.105X

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Colt A7438710.C849.105X, seen from the bench

The Breitling Colt A7438710.C849.105X combines aeronautical heritage with sports functionality. Featuring a black high-contrast dial with SuperLuminova-treated applied indices, unidirectional ratcheted bezel, and 200-meter water resistance, this tool watch delivers rigorous precision without compromise. The 44mm stainless steel case houses the COSC-certified Breitling B74 movement with hours, minutes, seconds, and date, maintaining accuracy within -4/+6 seconds daily. The 22mm lug width integrates proportionally with the case diameter and accommodates a wide selection of quality aftermarket straps.

Frequently asked questions

What is the lug width of the Breitling Colt A7438710.C849.105X?

The lug width of the Breitling Colt A7438710.C849.105X is 22mm. This is the correct measurement to use when selecting any compatible aftermarket strap, whether in leather, NATO, rubber or steel.

What is the best strap for the Breitling Colt A7438710.C849.105X?

The choice depends on intended use. For sport and aquatic environments, a ballistic nylon NATO or vulcanised rubber strap is ideal. For smarter daily wear, a vegetable-tanned calf leather or matte alligator strap with a deployant clasp enhances the Colt's technical character without compromising its identity.

How do I change the strap on the Breitling Colt A7438710.C849.105X?

The strap is replaced using a fine-tipped springbar tool or a thin blade. Simply compress the ends of the spring bars between the lugs, remove the old strap and fit the new one with 22mm spring bars. The operation takes only a few minutes and requires no specialist tools.

Are there aftermarket straps compatible with the Breitling Colt A7438710.C849.105X?

Yes. Any strap with a 22mm attachment is compatible. Milano Straps offers a curated selection of handcrafted straps in leather, alligator, calf, rubber and NATO, specifically suited to high-end sport watches such as the Breitling Colt, available online with international shipping.

How long does a leather strap last on a Breitling Colt A7438710.C849.105X?

A quality leather strap — vegetable-tanned calf or alligator — typically lasts between 2 and 5 years with daily wear, depending on exposure to perspiration, water and UV light. Regular conditioning and rotating between straps significantly extends their lifespan. Casati Milano offers 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