Breitling · Cockpit B50

Strap for Cockpit B50 Night Mission / Carbon Yellow / Rubber / Boutique Edition

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
ReferenceVB50128Y.BE74.242S
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
Year2015
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 VB50128Y.BE74.242S

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Cockpit B50 VB50128Y.BE74.242S, seen from the bench

The Breitling Cockpit B50 Night Mission VB50128Y.BE74.242S is a certified flight instrument for professional pilots, powered by the Breitling B50 SuperQuartz thermocompensated caliber with precision ten times superior to standard chronometric standards. The 46mm aerospace titanium case houses specialized functions including flyback chronograph, countdown, rattrapante, and alarm, meeting elite military and civil aviation protocols. The perpetual calendar mechanism with power reserve indicator functions until 2100 with a single manual adjustment required in leap centuries. Lug width: 24mm.

Frequently asked questions

What is the lug width of the Breitling Cockpit B50 VB50128Y.BE74.242S?

The lug width of the Breitling Cockpit B50 VB50128Y.BE74.242S is precisely 24mm. This measurement represents the linear distance between the inner spring bar pins and should not be confused with the visual width of the strap itself. Verify this dimension by measuring the attachment slot on the case before ordering an aftermarket strap.

Which strap is recommended for the Breitling Cockpit B50 VB50128Y.BE74.242S?

For the Cockpit B50 VB50128Y.BE74.242S, we recommend Mississippi alligator for its superior grip and granular texture ideally suited to operational environments, or shell cordovan for those who appreciate a patina that evolves over time. Vegetable-tanned calf is an excellent alternative for those desiring initial flexibility and visible ageing. For tactical applications, synthetic NATO or FKM rubber maintain functionality in corrosive environments.

How do you change the strap on the Breitling Cockpit B50 VB50128Y.BE74.242S?

To change the strap on the VB50128Y.BE74.242S, extract the inner spring bar pins using a dedicated pusher tool or a fine non-cutting instrument. Position the tool under the pin, apply gentle downward pressure to compress the internal spring, then slide the pin out of the slot. Repeat for both sides. Insert the new pins into the new strap, then reinsert into the case by reversing the procedure.

Are there compatible 24mm aftermarket straps for the Breitling Cockpit B50?

Yes, Milano Straps offers a complete collection of 24mm aftermarket straps compatible with the Breitling Cockpit B50 VB50128Y.BE74.242S. Straps are available in alligator, shell cordovan, vegetable-tanned calf and FKM rubber, customizable in length, initials and stitching thread. Fast shipping guaranteed. For bespoke custom experiences, Casati Milano creates personalised straps with direct selection of leathers and 18-month warranty.

How long does a leather strap last on the Breitling Cockpit B50 VB50128Y.BE74.242S?

The lifespan of a leather strap depends on usage intensity and tanning type. A superior quality alligator maintains structural integrity for 4-6 years of daily wear. Shell cordovan, thanks to its fibrous density, reaches 6-8 years. Vegetable-tanned calf lasts approximately 3-4 years with regular maintenance (hydration with neutral creams). To extend lifespan, alternate with other straps, hydrate the leather every 6 months and protect from prolonged humidity and UV exposure. FKM rubber straps offer superior durability (8+ years) but lack aesthetic patina development.

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