Breitling · Chronomat B01 42

Strap for Chronomat B01 42 NFL Tampa Bay Buccaneers

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
ReferenceAB01342B1K7S1
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 AB01342B1K7S1

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 42 AB01342B1K7S1, seen from the bench

The Chronomat B01 42 is powered by the manufacture B01 caliber with column-wheel chronograph function and chronometer certification. The movement indicates hours, minutes, small seconds and date. Case size of 42mm with 22mm lugs.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 42 AB01342B1K7S1?

The lug width of the Breitling Chronomat B01 42 AB01342B1K7S1 is 22mm. This measurement is specified by Breitling and should be taken with a digital calliper between the two lugs, at the point where the spring bar holes are located.

What is the best strap for the Breitling Chronomat B01 42?

The most suitable materials for the Chronomat B01 42 are smooth alligator leather for semi-formal occasions, vegetable-tanned calf leather for everyday wear, and vulcanised rubber for sporting use. A polished and brushed steel deployant clasp is recommended on any material to preserve the strap's geometry over time.

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

Changing the strap on the Chronomat B01 42 requires a springbar tool or a fine-tipped pin remover. The 22mm spring bars are released by compressing their ends inward within the lug channel. The operation is fully reversible and does not require a visit to an authorised service centre.

Are there aftermarket straps compatible with the Breitling Chronomat B01 42 AB01342B1K7S1?

Yes, any strap with a standard 22mm attachment is fully compatible with the Breitling Chronomat B01 42 AB01342B1K7S1. milanostraps.it offers a curated selection of handcrafted compatible straps in leather, NATO, and rubber at milanostraps.it/collections/cinturini-orologi-per-misura-ansa-22mm.

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

A quality leather strap, crafted from vegetable-tanned cowhide or hand-finished alligator, typically lasts between two and five years under regular use. Longevity depends on exposure to perspiration, water, and UV light. Periodic conditioning with a leather-specific cream significantly extends the strap's service life.

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