Breitling · Colt

Strap for Colt 36 Pearl Diamond / Sahara / Pin

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter36 mm
ReferenceA7438911/A771/216X/A16BA.1
FamilyColt
MovementBreitling caliber Caliber B74 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

The Colt A7438911/A771/216X/A16BA.1, seen from the bench

The Breitling Colt is equipped with the B74 caliber with chronometer certification and functions of hours, minutes, seconds and date. The model features 18mm lugs and represents a sporty offering from the Swiss manufacture. The reference A7438911/A771/216X/A16BA.1 identifies this specific configuration of the Colt collection.

Frequently asked questions

What is the lug width of the Breitling Colt A7438911/A771/216X/A16BA.1?

The Breitling Colt A7438911/A771/216X/A16BA.1 has a lug width of 18mm. This measurement should be taken with a digital calliper between the inner faces of the lugs at the point of strap contact, ensuring accurate compatibility with any aftermarket strap.

What is the best strap for the Breitling Colt 36mm in stainless steel?

For the stainless steel Colt 36mm, vegetable-tanned calfskin is the most versatile choice, developing a natural patina that complements the case's understated character. Mississippi alligator suits formal settings, while a nylon NATO or rubber strap preserves the model's original sporting intent.

How do I change the strap on the Breitling Colt A7438911/A771/216X/A16BA.1?

The strap is replaced by removing the spring bars that secure it to the case lugs. A spring bar tool or a thin flat-head screwdriver is sufficient to release the bars. Work on a soft surface to avoid scratching the stainless steel case and ensure that replacement spring bars are the correct diameter for 18mm lugs.

Are there aftermarket straps compatible with the Breitling Colt 36mm?

Yes, the 18mm lug width is one of the most widely adopted standards in watchmaking, with an extensive aftermarket offering. MilanoStraps produces handcrafted straps in leather, alligator, shell cordovan and technical materials specifically compatible with the 18mm lugs of the Colt 36mm, available with a pin buckle or a steel deployant clasp.

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

A quality leather strap with vegetable tanning and finished edges has an average lifespan of 18 to 36 months with daily wear, depending on exposure to perspiration, moisture and UV light. Regular conditioning with a leather-specific cream notably extends the strap's life and slows structural degradation at the lug area.

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