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
ReferenceA7836534G705441X
FamilyChronospace
MovementBreitling caliber 78 Additional 12 hours Hand (adjustable), Additional 24 hours Hand (adjustable), hours, minutes, seconds | date, day, perpetual calendar | Chronograph | alarm | power reserve indicator, chronometer
Year2010
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 A7836534G705441X

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Chronospace A7836534G705441X, seen from the bench

The Breitling Chronospace A7836534G705441X is a professional aviation chronograph with a 48 mm stainless steel 316L case and 24 mm lug width. It features the Breitling Caliber 78 SuperQuartz movement certified COSC with ±10 seconds per month precision. Functions include a 24-hour hand, chronograph, alarm, power reserve indicator, perpetual calendar, and day-date display. Water resistant to 100 meters, it is engineered for professional pilots and aeronautical engineers requiring absolute precision.

Frequently asked questions

What is the lug width of the Breitling Chronospace A7836534G705441X?

The lug width of the Breitling Chronospace A7836534G705441X is 24 millimetres, the standard for professional aviation oversized cases. Measure the distance between the spring bar pins by positioning a digital calliper perpendicular to their alignment line, excluding the pins themselves from measurement to avoid errors of 1–2 millimetres.

Which strap is most suitable for the Chronospace A7836534G705441X?

For the Chronospace A7836534G705441X, premium paracord NATO (high-density cordura) represents the most professional solution: it eliminates structural failure risk, is washable and thermoregulating. Alternatively, vegetable-tanned alligator or vintage calf offer aesthetic sophistication, whilst vulcanised rubber with sahara texture ensures versatility in critical environments.

How do I change the strap on my Breitling Chronospace A7836534G705441X?

Remove the previous strap by extracting the spring bar pins from their seats using a non-abrasive tool to avoid damaging the case. Insert the new pins into the artisanal strap, positioning it perpendicular to the case, then secure the strap by aligning the pins to their seats and pushing until a light click is felt. Verify that the lugs adhere uniformly to the case without residual movement.

Can I use compatible aftermarket straps on my Chronospace A7836534G705441X?

Yes, provided the lug width is certified at 24 millimetres and the strap thickness is proportionate to the case dimensions (48mm). Artisanal straps in leather, fabric or premium rubber guarantee structural and aesthetic reliability superior to standardised products, particularly important for an instrument of this technical complexity.

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

A vegetable-tanned leather strap subjected to proper maintenance (regular cleaning with damp cloth, natural drying, natural wax treatments every 6–12 months) can remain effective for 5–8 years. The patina developing over time represents an aesthetic quality. Factors such as frequency of use, environmental conditions (humidity, direct sunlight, extreme temperatures) and the specific weight of the Chronospace case influence durability: artisanal straps with superior structural thickness resist mechanical loads better.

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.

Request an appointment →

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