Breitling · Cockpit B50

Strap for Cockpit B50 Titanium / Grey / Bracelet

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter46 mm
ReferenceEB5010B1/M532/176E
FamilyCockpit B50
MovementBreitling caliber B50 Additional 24 hours Hand (adjustable), hours, minutes, seconds | date, day, month, perpetual calendar, year indicator | Chronograph, countdown, Flyback, Rattrapante | alarm | chronometer, power reserve indicator
CaseTitanium

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 B50 EB5010B1/M532/176E

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Cockpit B50 EB5010B1/M532/176E, seen from the bench

The Cockpit B50 is equipped with the Breitling B50 caliber featuring flyback chronograph, split-seconds, and countdown functions, as well as a perpetual calendar with day, date, month, and year indications. The watch has a second 24-hour hand and 24mm lugs. The movement also offers an alarm function among its electronic complications.

Frequently asked questions

What is the lug width of the Breitling Cockpit B50 EB5010B1/M532/176E?

The lug width of the Breitling Cockpit B50 EB5010B1/M532/176E is 24mm. This non-standard measurement is determined by the proportions of the 46mm titanium oversized case. To verify it, measure the internal space between the lugs with a digital calliper.

What strap is recommended for the Breitling Cockpit B50?

Genuine alligator offers superior mechanical resistance and aesthetic patina, ideal for formal contexts. Vegetable-tanned calf leather ensures initial comfort and develops distinctive patina; it is the choice for prolonged daily wear. An FKM rubber strap remains the option for operational and aquatic environments, eliminating maintenance concerns.

How do you change the strap on the Breitling Cockpit B50 EB5010B1/M532/176E?

The strap is replaced via the lateral spring bars: insert a spring bar tool into the pin groove, apply gentle upward pressure to release the internal spring, and slide the pin outward. Reverse the process with the new strap, ensuring the pins are fully inserted and the spring is undamaged.

Is there an aftermarket strap compatible with the 24mm lug width?

Yes, Milano Straps offers a selection of 24mm straps ready for shipment, customisable in length, initials and stitching thread colour. Alternatively, the Casati Milano atelier produces bespoke custom straps with personal leather selection and 18-month warranty.

What is the lifespan of a leather strap for the Cockpit B50?

A quality artisanal alligator or vegetable-tanned calf strap lasts on average 4-7 years with regular daily wear, developing patina and slight signs of ageing. Lifespan depends on exposure to water, perspiration, and basic maintenance (periodic cleaning and annual conditioning). Casati Milano warranty is 18 months.

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