Breitling · Colt

Strap for Colt Lady Mariner Blue / Calf / 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/C908/116X/A14BA.1
FamilyColt
MovementBreitling caliber Caliber 77 Hours, Minutes, Seconds | Date | Chronometer
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/C908/116X/A14BA.1

Selected for the 16 mm lug width

All 16 mm straps →

The Colt A7738811/C908/116X/A14BA.1, seen from the bench

The Breitling Colt A7738811/C908/116X/A14BA.1 is a 33mm stainless steel tool watch designed for technical rigor and operational durability. It features the Breitling Caliber 77 automatic movement, COSC chronometer certified with precision of -4/+6 seconds per day, offering hours, minutes, seconds, and date functions. The watch has a 16mm lug width and a screw-down caseback for moisture and dust protection, maintaining the watch's purpose-built heritage from military and aviation contexts.

Frequently asked questions

What is the lug width of the Breitling Colt A7738811/C908/116X/A14BA.1?

The lug width of the Breitling Colt A7738811/C908/116X/A14BA.1 is 16mm. This is a specific measurement that requires straps with a 16mm attachment. Always verify the internal distance between the lugs with a calliper before purchasing a replacement strap.

What is the best strap for the Breitling Colt A7738811/C908/116X/A14BA.1?

For the 33mm Breitling Colt A7738811/C908/116X/A14BA.1, a vegetable-tanned calfskin or matte alligator strap enhances the technical character of the case without overwhelming it. A heavyweight nylon NATO or vulcanised rubber strap are equally coherent choices given the model's operational heritage.

How do you change the strap on a Breitling Colt A7738811/C908/116X/A14BA.1?

To replace the strap, remove the spring bars from the lugs using a dedicated spring bar tool. Standard 16mm spring bars are compatible. Work on a soft surface to avoid scratching the case, and always confirm that the spring bars are fully seated before wearing the watch.

Are there aftermarket straps compatible with the Breitling Colt A7738811/C908/116X/A14BA.1?

Yes, any aftermarket strap with a 16mm attachment is fully compatible with the Breitling Colt A7738811/C908/116X/A14BA.1. Milanostraps.it offers a curated range of handcrafted leather, NATO and rubber straps in 16mm, supplied with spring bars included.

How long does a leather strap last on a Breitling Colt A7738811/C908/116X/A14BA.1?

Lifespan depends on leather quality and daily use. A vegetable-tanned calfskin strap typically lasts 2 to 3 years with regular wear; a shell cordovan or quality alligator strap can exceed 5 years if kept away from prolonged moisture. Rotating between two straps considerably extends the life of each.

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