Breitling · Colt

Strap for Colt Chronograph II Blue / Calf

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter44 mm
ReferenceA7338710C848105X
FamilyColt
MovementBreitling caliber B73 Foudroyante seconds, minutes, small seconds | date | Chronograph | chronometer
Year2011 - 2014
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 A7338710C848105X

Selected for the 20 mm lug width

All 20 mm straps →

The Colt A7338710C848105X, seen from the bench

The Colt represents the sporty line of Breitling, characterized by robustness and functionality. It is powered by the B73 caliber with chronograph functions, small seconds, minutes and date, certified as a chronometer. The A7338710C848105X reference maintains the classic proportions of the model with ergonomic crown and chronograph pushers.

Frequently asked questions

What is the lug width of the Breitling Colt A7338710C848105X?

The lug width of the Breitling Colt A7338710C848105X is 20mm. This measurement is taken with a digital calliper across the internal gap between the two lugs at the point where the strap attaches to the case.

What is the best strap for the Breitling Colt A7338710C848105X?

For the Breitling Colt A7338710C848105X, the most coherent choices with the watch's instrumental character are: flat-grain alligator with a matte finish for a dress-sport register, vegetable-tanned calfskin to develop a natural patina over time, nylon NATO for aeronautical authenticity, and vulcanised rubber for outdoor use. A steel deployant clasp is recommended for a more secure fastening and optimal pressure distribution across the lug.

How do you change the strap on a Breitling Colt A7338710C848105X?

To replace the strap on the Breitling Colt A7338710C848105X, you need a fine-tipped spring bar tool. Insert the tool into the spring bar slot between the lug and the strap, compress the spring bar and slide it out. Care should be taken to avoid scratching the stainless steel case. Alternatively, Casati Milano offers a strap-fitting service by appointment at the Milan atelier.

Are there aftermarket straps compatible with the Breitling Colt A7338710C848105X?

Yes. The Breitling Colt A7338710C848105X features standard 20mm lugs, fully compatible with aftermarket straps from any manufacturer respecting this width. Milano Straps offers a curated selection of handcrafted 20mm straps in leather, rubber and textile, tailored to the 44mm stainless steel case of the Colt.

How long does a leather strap last on a Breitling Colt A7338710C848105X?

The longevity of a leather strap depends on hide quality, tanning method and daily use. A quality vegetable-tanned calfskin strap, properly maintained with a leather conditioner every three to four months and kept away from heat sources, can last between two and five years. High-grade alligator straps, thanks to the compact structure of the scales, typically offer greater durability. Milano Straps provides an 18-month warranty against manufacturing defects on all Casati Milano straps.

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