Breitling · Cockpit

Strap for Chrono Cockpit

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

Lug width20 mm
Case diameter39 mm
ReferenceA1335812L510
FamilyCockpit
MovementBreitling caliber Caliber 13 Hours, Minutes, Small Seconds | Date | Chronograph
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Cockpit A1335812L510, seen from the bench

The Breitling Cockpit features the Caliber 13 with functions of hours, minutes, small seconds, date, and chronograph. The case has 20mm lugs and offers the typical features of the Swiss brand's aviator watches. The movement guarantees chronometric precision for professional applications in the aviation sector.

Frequently asked questions

What is the lug width of the Breitling Cockpit A1335812L510?

The Breitling Cockpit A1335812L510 features a 20mm lug width. This measurement refers to the internal distance between the case lugs and is the primary parameter for selecting a compatible strap. It is advisable to verify this with a digital calliper on your specific piece before purchasing a replacement strap.

What is the best strap for the Breitling Cockpit A1335812L510?

Given the satin-finished stainless steel case and instrument-style dial of the Cockpit A1335812L510, the most suitable options are vegetable-tanned calf leather for daily wear, alligator for formal occasions, or vulcanised rubber for sports use. A nylon NATO strap remains the most historically coherent choice with the watch's aeronautical heritage.

How do you change the strap on a Breitling Cockpit A1335812L510?

Strap replacement requires a springbar tool or fine-tipped lug tool to remove the springbars seated within the case lugs. The procedure is fully reversible and does not require a watchmaker, provided the correct tool is used to avoid scratching the stainless steel case during the operation.

Are there aftermarket straps compatible with the Breitling Cockpit A1335812L510?

Yes. Any strap with a 20mm lug width is technically compatible with the Cockpit A1335812L510. milanostraps.it offers a curated selection of artisanal aftermarket straps — in leather, rubber or NATO nylon — available both ready-to-wear and bespoke, with buckle or deployant clasp options to match the original stainless steel case.

How long does a leather strap last on a Breitling Cockpit A1335812L510?

The lifespan of a leather strap depends on hide quality, tanning method and daily use. A quality vegetable-tanned calf strap, with regular conditioning and rotation with other straps, typically lasts 2 to 4 years. Alligator and shell cordovan, being denser and more compact, tend to retain their shape longer and generally outlast standard calf leather.

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