Breitling · Chronospace

Strap for Chronospace Quartz

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

Lug width24 mm
Case diameter48 mm
ReferenceA7836534BA26205S
FamilyChronospace
MovementBreitling caliber Caliber 78 Additional 12 Hour Hand (adjustable), Additional 24 Hour Hand (adjustable), Hours, Minutes, Seconds | Date, Day, Perpetual Calendar | Chronograph | Alarm | Power Reserve Indicator, Chronometer
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 Chronospace A7836534BA26205S

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Chronospace A7836534BA26205S, seen from the bench

The Breitling Chronospace A7836534BA26205S is a 48mm stainless steel aviation chronograph with a 24mm lug width. Powered by the Breitling Caliber 78 automatic movement certified COSC Chronometer, it features a perpetual calendar, chronograph, alarm function, and dual time zone display. Designed for professional pilots and aviation personnel, the watch prioritizes functional legibility and operational reliability with a logic-based dial layout.

Frequently asked questions

What is the lug width of the Breitling Chronospace A7836534BA26205S?

The lug width of the Breitling Chronospace A7836534BA26205S is 24mm. This is one of the widest lug measurements in Breitling's production line, proportionate to the 48mm case diameter. When replacing the strap, it is advisable to verify the spring bar length, as the case height requires appropriately sized bars.

What is the best strap for the Breitling Chronospace A7836534BA26205S?

For the Chronospace A7836534BA26205S, the most balanced options are a wide-grain alligator strap for an elegant yet structured result, a vegetable-tanned calfskin in a military finish for a more operational aesthetic, and a heavy-weave NATO nylon strap for intensive use. A 24mm stainless steel butterfly deployant clasp improves weight distribution on the wrist.

How do you change the strap on a Breitling Chronospace?

Replacing the strap on a Breitling Chronospace requires a lever-type or fine-tip spring bar tool. The 24mm spring bars must be compressed laterally to release the strap from the lugs. Given the case height, it is recommended to use spring bars of adequate length to ensure a secure fit. If in doubt, the operation can be carried out by a watchmaker or at the Casati Milano atelier.

Are there aftermarket straps compatible with the Breitling Chronospace A7836534BA26205S?

Yes, the aftermarket offers a wide range of 24mm straps compatible with the Breitling Chronospace A7836534BA26205S. Milano Straps provides a selection of handcrafted leather, rubber and nylon straps with a 24mm attachment, designed to match the proportions of this model. It is important to verify that the spring bar length and end-piece curvature are compatible with the case.

How long does a leather strap last on a Breitling Chronospace?

The lifespan of a leather strap on a Breitling Chronospace depends primarily on the quality of the leather and frequency of use. A high-grade alligator or vegetable-tanned calfskin strap, properly maintained and rotated with other straps, can last between 3 and 5 years while retaining structural integrity and aesthetic patina. Milano Straps guarantees its handcrafted straps for 18 months 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.

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