Breitling · Exospace

Strap for B55 Exospace Black Titanium / Black / Military / Pin

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
ReferenceVB5510H11B1W1 (aka: VB5510H1/BE45/100W/M20BASA.1)
FamilyExospace
MovementBreitling caliber Caliber B55 Additional 24 Hour Hand (adjustable), Hours, Minutes, Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph, Countdown, Flyback, Rattrapante | Alarm | Chronometer, Power Reserve Indicator, Connected
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 Exospace VB5510H11B1W1 (aka: VB5510H1/BE45/100W/M20BASA.1)

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Exospace VB5510H11B1W1 (aka: VB5510H1/BE45/100W/M20BASA.1), seen from the bench

The Breitling Exospace B55 Connected (ref. VB5510H1/BE45/100W/M20BASA.1) features the SuperQuartz™ Caliber B55, a COSC-certified chronometer with Bluetooth connectivity for smartphone synchronization, alarm programming, and dual-pusher chronograph control via dedicated app. The 46mm grade 2 titanium case houses a flyback chronograph with rattrapante function, perpetual calendar, 24-hour indicator, countdown, alarm, and power reserve display. Strap lug width is 24mm, the standard specification for this professional pilot's instrument watch.

Frequently asked questions

What is the lug width of the Breitling Exospace VB5510H11B1W1?

The Breitling Exospace VB5510H11B1W1 has a lug width of 24mm. This measurement is critical when selecting an aftermarket strap: only a strap with a 24mm attachment ensures correct alignment with the 46mm titanium case, providing both mechanical stability and visual coherence.

What is the best strap for the Breitling Exospace VB5510H11B1W1?

For the Exospace VB5510H11B1W1, the most suitable materials are vegetable-tanned calf leather for everyday wear with a progressive patina, alligator for formal settings, technical nylon NATO for intensive use, and vulcanised rubber for sporting activities. A titanium deployant clasp is preferable to a standard buckle for wrist security and rapid release.

How do you change the strap on a Breitling Exospace VB5510H11B1W1?

The strap on the Breitling Exospace VB5510H11B1W1 is replaced using a 24mm spring bar. Using a spring bar tool or a fine-tipped implement, compress the spring bar laterally until it releases from the case lug. Care must be taken to avoid scratching the brushed titanium; plasticised tools or professional watchmaker assistance is recommended.

Are there aftermarket straps compatible with the Breitling Exospace VB5510H11B1W1?

Yes. Any strap with a 24mm attachment is technically compatible with the Breitling Exospace VB5510H11B1W1, provided the strap ends follow the lug curvature correctly. Milano Straps offers a selection of handcrafted 24mm straps, including alligator, calf, shell cordovan and rubber options, available with buckle or deployant clasp.

How long does a leather strap last on a Breitling Exospace VB5510H11B1W1?

Strap longevity depends on leather quality, hide thickness and conditions of use. A quality vegetable-tanned calf strap on the Exospace VB5510H11B1W1, worn daily and kept away from excessive perspiration and rain, typically lasts between 18 and 36 months. High-quality alligator straps, owing to the natural structure of the scales, generally last in excess of three years with routine care.

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