Breitling · Chronomat B01 42

Strap for Chronomat B01 42 NFL Pittsburgh Steelers

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

Lug width22 mm
Case diameter42 mm
ReferenceAB01342B1B2S1
FamilyChronomat B01 42
MovementBreitling caliber B01 hours, minutes, small seconds | date | Chronograph, column wheel | chronometer
Year2024
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 Chronomat B01 42 AB01342B1B2S1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 42 AB01342B1B2S1, seen from the bench

The Chronomat B01 42 is powered by the in-house Breitling B01 caliber with column-wheel chronograph function and chronometer certification. The movement offers indications of hours, minutes, small seconds, date and chronograph. The watch features 22mm lug width and a 42mm diameter case.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 42 AB01342B1B2S1?

The lug width of the Breitling Chronomat B01 42 AB01342B1B2S1 is 22mm. This measurement should be taken with a digital calliper at the point where the lug meets the case, and is essential for ensuring compatibility with any aftermarket strap.

Which strap is recommended for the Breitling Chronomat B01 42?

For the Chronomat B01 42, a vegetable-tanned calf leather strap suits formal wear, alligator leather elevates the watch for representative occasions, and a ballistic NATO or perlon strap is ideal for daily sporting use. Vulcanised rubber is the best choice for intensive use. The correct width is 22mm.

How do I change the strap on the Breitling Chronomat B01 42?

To replace the strap on the Chronomat B01 42, use a fine-tipped spring bar tool. The Chronomat's lugs are reasonably accessible, though it is advisable to work on a soft surface to protect the bezel and case. The spring bar size is a standard 22mm, compatible with all straps of that width.

Are there aftermarket straps compatible with the Breitling Chronomat B01 42?

Yes, the Breitling Chronomat B01 42 uses standard 22mm spring bars, making it compatible with any aftermarket strap of that width. MilanoStraps offers a curated selection of handcrafted leather, NATO, rubber and alligator straps specifically suited to this reference.

How long does a leather strap last on a Breitling Chronomat B01 42?

The lifespan of a leather strap depends on the quality of the tanning, the thickness of the leather and daily usage. A quality handcrafted strap in vegetable-tanned calf or alligator, with proper care, typically lasts between 2 and 5 years. MilanoStraps straps carry 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