Technical Archive

Breitling
Colt A7438953.A772.230S— lug 18mm

Breitling Colt A7438953.A772.230S: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Colt 36 Diamond / Pearl / Rubber

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Breitling A7438953.A772.230S
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

A7438953.A772.230S

Movement

Breitling caliber Caliber B74 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Breitling Colt A7438953.A772.230S is a 36mm stainless steel sports watch with lug width 18mm, combining functional sobriety with COSC chronometer certification. The SuperQuartz Breitling B74 movement vibrates at 10 Hz, delivering ±15 seconds annual accuracy—a precision typically reserved for high-end mechanical calibers. The polished and brushed steel case, clean lugs, and mineral crystal create a geometrically precise design balancing compact sports proportions with technical dress aesthetics.

FAQ

What is the lug width of the Breitling Colt A7438953.A772.230S?

The Breitling Colt A7438953.A772.230S has a lug width of 18mm. This measurement corresponds to the internal distance between the lugs at the base of the case and is the key parameter for selecting a compatible strap. It is advisable to verify the measurement with a slide calliper before purchasing.

What is the best strap for the Breitling Colt 36mm?

For the Breitling Colt 36mm in stainless steel, the most suitable straps are vegetable-tanned alligator for a formal register, shell cordovan for those seeking patina and longevity, or NATO nylon and vulcanised rubber for sporting use. The lug width is 18mm. Casati Milano crafts bespoke straps with direct leather selection at their Milan atelier.

How do you change the strap on a Breitling Colt A7438953.A772.230S?

To replace the strap on the Breitling Colt A7438953.A772.230S, you will need a spring bar tool or a watchmaker's knife. Compress the spring bar between the lugs, remove the old strap, and insert the new one ensuring the spring bars are correctly engaged on both sides. The operation takes only a few minutes and requires no advanced specialist tools.

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

Yes, there are numerous aftermarket straps compatible with the Breitling Colt 36mm, provided they feature an 18mm lug width. Milanostraps.it offers a dedicated selection of 18mm straps in various materials and finishes. Casati Milano also provides a bespoke service with precise measurement and artisanal craftsmanship.

How long does a leather strap last on a Breitling Colt A7438953.A772.230S?

The longevity of a leather strap depends on the quality of the hide and conditions of use. A Tuscan vegetable-tanned leather or shell cordovan strap, with proper care (leather cream, avoiding prolonged water exposure), can last between 3 and 7 years. Casati Milano offers an 18-month warranty against manufacturing defects on all crafted straps.