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
ReferenceA1335812Q520
FamilyCockpit
MovementBreitling caliber 13 hours, minutes, small seconds | date | Chronograph
Year2005 - 2010
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 Cockpit A1335812Q520

Selected for the 20 mm lug width

All 20 mm straps →

The Cockpit A1335812Q520, seen from the bench

The Cockpit is a Breitling chronograph powered by the Caliber 13 with hour, minute, small second, date and chronograph functions. The model features 20mm lugs and maintains the technical characteristics typical of the Swiss brand's aviation collection. The reference A1335812Q520 represents one of the variants of the line dedicated to the world of aeronautics.

Frequently asked questions

What is the lug width of the Breitling Cockpit A1335812Q520?

The lug width of the Breitling Cockpit A1335812Q520 is 20mm. This measurement, taken between the two lugs at the point where the strap inserts into the case, is the critical specification for selecting any compatible aftermarket strap.

What is the best strap for the Breitling Cockpit A1335812Q520?

The choice depends on intended use. For formal occasions, an alligator or shell cordovan strap with a deployant clasp offers the most refined result. For daily wear or technical environments, a vegetable-tanned calfskin or ballistic nylon NATO strap is both practical and consistent with the Cockpit's aeronautical heritage.

How do I change the strap on the Breitling Cockpit A1335812Q520?

The strap is replaced using a fine-tipped spring bar tool. By compressing the spring bar pins housed within the lugs, the strap detaches without the need for specialist equipment. It is advisable to work on a soft surface to avoid scratching the case. The new 20mm strap is fitted by reversing the procedure.

Are there aftermarket straps compatible with the Breitling Cockpit A1335812Q520?

Yes. Any strap with a 20mm lug width is technically compatible with the Breitling Cockpit A1335812Q520, provided the spring bars are standard. Milano Straps offers a selection of handcrafted 20mm straps in various materials — leather, rubber, and NATO — available bespoke or ready to order online.

How long does a leather strap last on the Breitling Cockpit A1335812Q520?

The lifespan of a leather strap depends on the material and maintenance. A vegetable-tanned calfskin strap, with daily wear and regular conditioning (leather cream every 3–4 months), typically lasts 2–4 years. A quality alligator strap, properly maintained and kept away from prolonged moisture, can exceed 5 years while retaining its structural integrity and appearance.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only