Breitling · Cockpit

Strap for Cockpit Lady Black / Bracelet

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

Lug width20 mm
Case diameter32 mm
ReferenceA7135612.K518
FamilyCockpit
MovementBreitling caliber B71 hours, minutes, seconds | date | chronometer
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 A7135612.K518

Selected for the 20 mm lug width

All 20 mm straps →

The Cockpit A7135612.K518, seen from the bench

The Cockpit A7135612.K518 represents Breitling's offering in the certified chronometer pilot's watch segment. It is equipped with the automatic B71 caliber with hour, minute, second and date indication functions. The watch is equipped with a chronometer-certified movement according to COSC standards.

Frequently asked questions

What is the lug width of the Breitling Cockpit A7135612.K518?

The Breitling Cockpit A7135612.K518 features a lug width of 20mm. This measurement is taken between the two lugs at the point where they meet the case and must be respected with millimetre precision to ensure correct fitting and prevent case damage.

What is the best strap for the Breitling Cockpit A7135612.K518?

For the 31.8mm Cockpit A7135612.K518, a square-grain Mississippiensis alligator strap or a vegetable-tanned calf leather strap offer the most balanced choice: both respect the visual lightness of the case and pair effectively with the stainless steel finishing. For daily wear, a stainless steel deployant clasp is recommended to minimise stress on the lugs over time.

How do you change the strap on a Breitling Cockpit A7135612.K518?

To replace the strap on the Cockpit A7135612.K518, a spring bar tool (thin blade or dedicated tool) should be inserted into the lug hole to compress the ends of the spring bar. Work on a soft surface to avoid scratching the case. If the watch is fitted with an integrated bracelet, strap replacement should be carried out by a watchmaker.

Are there aftermarket straps compatible with the Breitling Cockpit A7135612.K518?

Yes, any strap with a 20mm attachment width is technically compatible with the Breitling Cockpit A7135612.K518, provided the attachment end respects the exact width and internal curvature of the lugs. Milano Straps offers a curated selection of handcrafted 20mm straps designed specifically for watches of this case diameter.

How long does a leather strap last on a Breitling Cockpit A7135612.K518?

The lifespan of a leather strap depends on the material, frequency of wear and maintenance. A quality vegetable-tanned calf leather strap worn daily typically lasts 18 to 24 months. Shell cordovan and top-grade alligator can exceed 3 to 5 years with regular care. Casati Milano straps include 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.

Request an appointment →

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