Breitling · Colt

Strap for Colt 36 Diamond / Volcano Black / Rubber

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.BD82.231S
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.BD82.231S

Selected for the 18 mm lug width

All 18 mm straps →

The Colt A7438953.BD82.231S, seen from the bench

The Breitling Colt 36 reference A7438953.BD82.231S is a 36mm stainless steel sports watch with COSC-certified chronometer movement Caliber B74, offering hours, minutes, seconds and date functions. The lug width is 18mm. The stainless steel case resists daily abrasion while maintaining its characteristic satin and polished finish, making this Colt a versatile timepiece suitable for any wrist. Compatible 18mm straps range from vegetable-tanned leather and alligator to vulcanized rubber and NATO nylon.

Frequently asked questions

What is the lug width of the Breitling Colt A7438953.BD82.231S?

The Breitling Colt A7438953.BD82.231S has a lug width of 18mm. This measurement should be verified using a digital calliper positioned internally between the two lug tips, close to the spring bar seat. It is the critical parameter for selecting a correctly fitting aftermarket strap.

What is the best strap for the Breitling Colt 36?

For the stainless steel Colt 36, a vegetable-tanned calf leather strap in tobacco or black offers the most balanced combination of elegance and durability. For more active use, vulcanised rubber or nylon NATO straps are appropriate. For a refined pairing, an alligator strap with a stainless steel deployant clasp complements the restrained aesthetic of the 36mm case particularly well.

How do you change the strap on the Breitling Colt A7438953.BD82.231S?

Strap replacement requires a fine-tipped spring bar tool. Insert the tool into the lateral lug slot, compress the spring bar, and slide the strap free. To avoid scratching the case, it is advisable to protect the lug area with masking tape beforehand. A watchmaker or specialist retailer can complete the operation in a matter of minutes.

Are there aftermarket straps compatible with the Breitling Colt 36?

Yes. Any strap with an 18mm lug width and a straight end is compatible with the Breitling Colt A7438953.BD82.231S. Milano Straps offers a curated selection of handcrafted leather, alligator, rubber and NATO straps in this width. The standard recommended length is 115/75mm, though bespoke lengths are available through the Casati Milano atelier.

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

The lifespan of a leather strap depends on the quality of the hide, maintenance and frequency of use. A high-grade vegetable-tanned calf strap, rotated regularly and kept away from water and perspiration, typically lasts between 2 and 4 years. Casati Milano straps carry an 18-month warranty against manufacturing defects. Alligator leather, due to its dense fibre structure, generally offers greater longevity than standard calf.

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