Breitling · Chronospace

Strap for Chronospace Evo B60 Volcano Black / Calf

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter43 mm
ReferenceEB601010|BF49|433X
FamilyChronospace
MovementBreitling caliber Caliber B60 Foudroyante Seconds, Minutes, Small Seconds | Date | Chronograph, Flyback, Rattrapante | Chronometer
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 Chronospace EB601010|BF49|433X

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronospace EB601010|BF49|433X, seen from the bench

The Breitling Chronospace EB601010|BF49|433X is a professional aviation instrument featuring a 43mm titanium case with the exclusive B60 electronic high-frequency movement. This chronograph combines flyback, rattrapante, and foudroyante complications with COSC-certified precision. The 22mm lug width reflects the case proportions and requires straight or slightly tapered strap ends for compatibility with the angled lug geometry typical of Breitling aviation family design.

Frequently asked questions

What is the lug width of the Breitling Chronospace EB601010|BF49|433X?

The lug width of the Breitling Chronospace EB601010|BF49|433X is 22mm. This measurement should be taken internally between the lugs at the point where they meet the 43mm titanium case, using a digital calliper to ensure accurate strap compatibility.

What is the best strap for the Breitling Chronospace EB601010|BF49|433X?

Given the brushed titanium case, the most coherent strap choices are vegetable-tanned calf leather with a grained texture, ballistic nylon NATO for operational use, and bombé-scale alligator for a more formal register. A titanium or black PVD deployant clasp is recommended to maintain material consistency with the case.

How do I change the strap on the Breitling Chronospace EB601010|BF49|433X?

The strap is removed by compressing the spring bars connecting it to the case lugs. Use a fine-tipped spring bar tool, applying gentle lever pressure on the inner side of the titanium lug. No specialist tools are required, but care should be taken to avoid scratching the case surfaces during the operation.

Are there aftermarket straps compatible with the Breitling Chronospace EB601010|BF49|433X?

Yes. Any strap with a standard 22mm attachment and spring bars is compatible with the Breitling Chronospace. Milanostraps.it offers a curated selection of handcrafted straps in various leathers and technical materials, all produced at 22mm lug width to ensure a precise fit without any modification to the original titanium lugs.

How long does a leather strap last on a Breitling Chronospace EB601010|BF49|433X?

Leather strap longevity depends on hide quality, frequency of use, and exposure to perspiration and moisture. A high-quality vegetable-tanned calf or alligator strap, properly maintained, typically lasts 2 to 4 years with daily wear. All Casati Milano straps from Milanostraps come with an 18-month warranty 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