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
ReferenceB1335812B787
FamilyCockpit
MovementBreitling caliber Caliber 13 Hours, Minutes, Small Seconds | Date | Chronograph
CaseYellow Gold, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Cockpit B1335812B787, seen from the bench

The Breitling Cockpit mounts the caliber 13 with chronograph, hour, minute, small seconds and date functions. The model features 20mm lugs and is characterized by the movement dedicated to aviation. The case houses the chronograph complications typical of the collection oriented to the aeronautical sector.

Frequently asked questions

What is the lug width of the Breitling Cockpit B1335812B787?

The lug width of the Breitling Cockpit B1335812B787 is 20 mm. This measurement is taken internally between the two lug horns, at the point where the strap meets the case.

What is the best strap for the Breitling Cockpit B1335812B787?

Given the two-tone yellow gold and stainless steel case of the Cockpit B1335812B787, the most suitable options are a glossy black or navy blue alligator strap for formal wear, or a cognac calf leather or burgundy shell cordovan for a warmer, more personal aesthetic. A deployant clasp in brushed steel or IP gold completes the pairing with functional elegance.

How do I change the strap on the Breitling Cockpit B1335812B787?

The strap on the Breitling Cockpit B1335812B787 is replaced using a spring bar tool. The tool is inserted into the groove between the lug and the strap to compress the spring bar and release the strap. It is advisable to have this carried out by a qualified watchmaker to avoid scratching the two-tone gold and steel case.

Are there aftermarket straps compatible with the Breitling Cockpit B1335812B787?

Yes, any strap with a 20 mm lug width is technically compatible with the Breitling Cockpit B1335812B787. Milanostraps.it offers a curated selection of handcrafted aftermarket straps in various materials — alligator, calf leather, shell cordovan, vegetable-tanned leather, and NATO — all available in the 20 mm size.

How long does a leather strap last on the Breitling Cockpit B1335812B787?

The lifespan of a leather strap depends on the material, care routine, and frequency of wear. A high-quality leather strap — alligator or shell cordovan — with proper maintenance (avoiding prolonged moisture exposure and applying leather conditioner periodically) can last between three and five years with regular use. Casati Milano straps come with an 18-month warranty against manufacturing defects.

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