Breitling · Colt

Strap for Colt 36 Diamond / Volcano Black / Sahara

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
ReferenceA7438953.BD82.236X
FamilyColt
MovementBreitling 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

Straps for the Colt A7438953.BD82.236X

Selected for the 18 mm lug width

All 18 mm straps →

The Colt A7438953.BD82.236X, seen from the bench

The Breitling Colt A7438953.BD82.236X is a professional wristwatch instrument with a 36mm stainless steel case and 18mm lug width, part of the Colt line designed for operational robustness and immediate legibility in demanding conditions. The watch houses the Breitling B74 caliber movement with COSC chronometer certification, featuring hours, minutes, seconds, and date functions in an essential configuration. The 36mm diameter maintains classical proportions suitable for discreet wear, while the 18mm lug width is a deliberate technical choice to achieve visual harmony and proper strap integration without lateral play.

Frequently asked questions

What is the lug width of the Breitling Colt A7438953.BD82.236X?

The Breitling Colt A7438953.BD82.236X has a lug width of 18mm. This is the precise measurement between the lugs of the 36mm stainless steel case. Any aftermarket strap must match this measurement exactly to ensure correct spring bar fitment and avoid lateral play.

What is the best strap for the Breitling Colt A7438953.BD82.236X?

For the 36mm Colt A7438953.BD82.236X, the most suitable options include hand-stitched hornback alligator with hand-painted edges, vegetable-tanned calfskin that develops a natural patina over time, or ballistic nylon NATO straps that reinforce the watch's aeronautical heritage. The ideal choice depends on intended use: formal, casual, or sport.

How do you change the strap on a Breitling Colt A7438953.BD82.236X?

To replace the strap, remove the 18mm spring bars connecting the strap to the case lugs using a fine-tipped spring bar tool, applying gentle lever pressure in the designated groove. Place the watch face-down on a soft cloth to avoid scratching the stainless steel case finishing. Dedicated watchmaker tools are strongly recommended.

Are there aftermarket straps compatible with the Breitling Colt A7438953.BD82.236X?

Yes. Any strap with an 18mm attachment width is technically compatible with the Breitling Colt A7438953.BD82.236X. Milano Straps offers a curated selection of handcrafted leather, rubber, and textile straps specifically sized for this lug width, typically tapering to 16mm at the buckle for a refined wrist profile.

How long does a leather strap last on a Breitling Colt A7438953.BD82.236X?

The lifespan of a leather strap depends on hide quality, daily care, and exposure to perspiration and moisture. A handcrafted alligator or shell cordovan strap, conditioned regularly and rotated with other straps, can last between 3 and 7 years. Vegetable-tanned calfskin straps typically last 2 to 4 years under regular use.

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