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Breitling · Cockpit B50

Strap for Cockpit B50 Titanium / Grey / Military / Pin

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

Lug width

24mm
24 mm strapsAll Breitling
Lug width24 mm
Case diameter46 mm
ReferenceEB5010B1/M532/100W/A20BASA.1
FamilyCockpit B50
MovementBreitling caliber Caliber B50 Additional 24 Hour 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

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Straps for the Cockpit B50 EB5010B1/M532/100W/A20BASA.1

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Cockpit B50 EB5010B1/M532/100W/A20BASA.1, seen from the bench

The Cockpit B50 is equipped with the Breitling B50 caliber, a SuperQuartz quartz movement with chronograph, flyback, split-seconds, and perpetual calendar functions. The watch has an adjustable second time zone hand, indicators for date, day, month, and year, as well as a countdown function. The lugs measure 24mm in width.

Frequently asked questions

What is the lug width of the Breitling Cockpit B50 EB5010B1/M532/100W/A20BASA.1?

The <a href="/pages/termine-glossario/misura-ansa">lug width</a> of the Cockpit B50 is 24 millimetres, a relatively uncommon dimension requiring specialised straps. This width is measured as the external distance between the attachment pins on the case. To verify compatibility, always check your watch's reference number against official Breitling technical specifications.

Which strap pairs best with the Breitling Cockpit B50?

For a pilot chronograph of this calibre, we recommend <a href="/pages/termine-glossario/alligatore">alligator</a> straps with titanium <a href="/pages/termine-glossario/deployante">deployante</a> clasps: the reptile grain complements the instrument aesthetic, whilst the <a href="/pages/termine-glossario/deployante">deployante</a> provides operational comfort and wrist protection. Alternatively, <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned</a> calf ages alongside titanium, developing patina over time.

How do I change the strap on the Cockpit B50?

Strap changes require a dedicated spring bar tool. Position the watch on a soft surface, insert the tool into the space beneath the lug, and press the pin downward whilst extracting the lug from the case. Proceed carefully: whilst titanium is resilient, spring pins are delicate. For reliability, entrust the operation to a professional or Atelier Casati Milano.

Which aftermarket straps are compatible with the 46mm Breitling Cockpit B50?

Any strap with a 24-millimetre <a href="/pages/termine-glossario/misura-ansa">lug width</a> is compatible. Available online are leather, <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a>, rubber, and NATO textile straps. Always verify supplier specifications: some manufacturers indicate width in inches or millimetres with minor variations. For reference EB5010B1/M532/100W/A20BASA.1, compatibility is assured with authentic 24mm straps.

How long does a leather strap last on a sports watch like the Cockpit B50?

A quality leather strap, featuring <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned</a> or natural tannins, withstands 3–5 years of daily use on a frequently-worn chronograph. Longevity depends on sun exposure, perspiration, and humidity. The fine grain of premium alligator and calf offers superior durability compared to dyed leathers. Atelier Casati Milano provides an 18-month guarantee on all bespoke straps, with options for leather replacement or structural repair.

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