Breitling · Colt

Strap for Chronomat Colt 44 Automatic Blue / Calf / Pin

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

Lug width22 mm
Case diameter44 mm
ReferenceA17388101C1X1 (aka: A1738810.CA06.105X)
FamilyColt
MovementBreitling caliber 17 hours, minutes, seconds | date
Year2018
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 A17388101C1X1 (aka: A1738810.CA06.105X)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Colt A17388101C1X1 (aka: A1738810.CA06.105X), seen from the bench

Our exquisite leather straps are the perfect accessory to complement the elegant design of your Breitling Colt A17388101C1X1 (aka: A1738810.CA06.105X) timepiece. Crafted with the utmost attention to detail, these straps will elevate the overall aesthetic of your luxury watch.

Frequently asked questions

What is the lug width of the Breitling Colt A17388101C1X1?

The Breitling Colt A17388101C1X1 has a lug width of 22mm. This measurement is standard for the 44mm case of the Colt line and ensures compatibility with all 22mm aftermarket straps available on milanostraps.it.

What is the best strap for the Breitling Colt A17388101C1X1?

For the Colt A17388101C1X1, the most suitable options are: vegetable-tanned leather for everyday urban wear with a developing patina, alligator leather for formal occasions, and vulcanised rubber or ballistic nylon NATO straps for sporting or marine use. The choice depends on the intended context and preferred colour pairing.

How do I change the strap on a Breitling Colt A17388101C1X1?

The Colt A17388101C1X1 uses a standard spring bar strap attachment. A spring bar tool or a fine-tipped lever is sufficient to release the bars from the 22mm lugs and fit a replacement strap. The process takes only a few minutes and requires no professional watchmaking tools, though care should be taken to avoid scratching the stainless steel case.

Are there aftermarket straps compatible with the Breitling Colt A17388101C1X1?

Yes, any strap with a 22mm lug width is compatible with the Breitling Colt A17388101C1X1. Milanostraps.it offers a curated selection of handcrafted straps in leather, alligator, rubber, and NATO — all made specifically for this width and fitted without modification.

How long does a leather strap last on a Breitling Colt A17388101C1X1?

The lifespan of a leather strap depends on the quality of the hide, frequency of use, and maintenance. A high-grade vegetable-tanned strap worn daily and kept away from excessive moisture or perspiration will typically last between two and five years. Casati Milano provides an 18-month guarantee against manufacturing defects on all handcrafted straps.

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