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
ReferenceA7836534C823
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 A7836534C823

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Chronospace A7836534C823, seen from the bench

The Breitling Chronospace A7836534C823 is a professional aviation instrument with a 48mm stainless steel case and 24mm lug width. Powered by Breitling's in-house Caliber 78 automatic movement, it features chronograph, perpetual calendar, 24-hour display, mechanical alarm, and power reserve indicator functions. The 24mm lug size is proportioned to the case diameter and requires precise strap selection to avoid damage to the lugs.

Frequently asked questions

What is the lug width of the Breitling Chronospace A7836534C823?

The Breitling Chronospace A7836534C823 has a lug width of 24mm. This measurement refers to the internal distance between the two lugs at the point where the spring bar sits. It is a standard dimension in the large-diameter professional sports segment and allows for a broad selection of compatible aftermarket straps.

What is the best strap for the Breitling Chronospace A7836534C823?

Given the Chronospace A7836534C823's 48mm case and aviation heritage, the most suitable straps are: vulcanised rubber for intensive sports use, nylon NATO for lightweight portability, square-scale alligator for formal occasions, and vegetable-tanned calf leather for everyday wear. A deployant clasp in satin-brushed steel is the recommended closure to balance the case weight and improve wrist comfort.

How do you change the strap on the Breitling Chronospace A7836534C823?

To replace the strap on the Chronospace A7836534C823, you will need a spring bar tool with a fine tip. Insert the tip into the lateral groove of the lug, compress the spring bar inward and slide the strap out. Repeat on the other lug. It is advisable to work on a soft surface to protect the case finishing. If in doubt, a watchmaker or the Casati Milano atelier can perform the replacement within minutes.

Are there aftermarket straps compatible with the Breitling Chronospace A7836534C823?

Yes. Any strap with a 24mm lug width is technically compatible with the Breitling Chronospace A7836534C823. Milano Straps offers a curated selection of handcrafted straps in various materials, all fitted with standard 1.8mm spring bars compatible with genuine Breitling lugs. Always verify that the strap is manufactured to the exact 24mm width specification.

How long does a leather strap last on a Breitling Chronospace A7836534C823?

The lifespan of a leather strap depends on tanning quality, frequency of use and maintenance. A high-grade alligator strap with vegetable tanning and hand-finished edges can last between 3 and 7 years with regular daily wear. Vegetable-tanned calf leather offers a similar lifespan and develops a characteristic patina over time. Avoid prolonged exposure to water and perspiration, dry the strap after intensive use and apply a leather conditioner periodically.

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