Breitling Chronomat B01 42 watch

Breitling Chronomat B01 42

Breitling Chronomat · Ref. AB0134101B1A1

About This Watch

The Breitling Chronomat B01 42 revives the iconic 1984 design that established the Chronomat as one of the defining luxury sports chronographs of the 1980s and 1990s. The signature rider tabs on the bezel — four raised, bullet-shaped markers at the cardinal points — allow the unidirectional rotating bezel to be operated even with gloves, a feature originally designed for the Italian Air Force aerobatic team, the Frecce Tricolori. The 2020 redesign modernizes the Chronomat with a more refined case shape, the Rouleaux-style bracelet with alternating polished and brushed links, and the manufacture B01 chronograph movement. With 200 meters of water resistance, the Chronomat is significantly more versatile than the dress-oriented Navitimer, equally at home in the ocean as at the office. The B01 caliber delivers the trademark 70-hour power reserve and column-wheel chronograph precision. At 42mm, this is the sweet spot in the Chronomat range, providing substantial wrist presence without overwhelming. The black dial with contrasting silver subdials and the bold hour markers with generous lume application ensure excellent legibility in all conditions. The Chronomat B01 42 represents Breitling's vision of the all-purpose luxury sports watch — a chronograph that can do anything, go anywhere.

In-Depth Review

Since its 1984 debut, the Chronomat has defined what a modern tool chronograph should be. The B01 42 upholds that legacy with unwavering competence, pairing Breitling's proprietary B01 movement with a muscular 42mm case that strikes the increasingly rare balance between presence and wearability. The in-house caliber delivers impressive credentials: a 70-hour power reserve, 47 jewels, and the 28,800 vph frequency that keeps timing accurate within tight tolerances. The unidirectional bezel with rider tabs remains practical rather than decorative, while the stainless steel Rouleaux bracelet—that distinctively articulated design—has become synonymous with the collection. At 15.1mm thick, the watch sits confidently on the wrist without excessive heft, and the 200-meter water resistance ensures genuine versatility beyond desk-diving.

The Chronomat B01 42 appeals to the experienced collector who values manufacturing transparency and movement finishing over brand narrative alone. Its owners tend to be professionals who appreciate a chronograph as functional instrument rather than aspirational object: pilots, engineers, and serious enthusiasts who recognize Breitling's 80-year aerospace heritage and manufacturing control. The watch performs equally well at the office or in the workshop, making it a rare piece that justifies its presence in an active rotation.

Positioned at approximately $5,900 on the secondary market against an $8,900 retail price, the B01 42 competes directly with the Omega Speedmaster Professional and TAG Heuer Carrera. While Omega's moonwatch carries legendary cachet, the Breitling delivers superior movement finishing and a more contemporary design language at comparable pricing. For buyers seeking Swiss chronographic substance without paying for pure heritage tax, this watch represents

Specifications

Movement

Movement TypeAutomatic
CaliberBreitling B01
Power Reserve70 hours
Frequency28,800 vph
Jewels47

Case

Case Diameter42.0mm
Case Thickness15.1mm
Case MaterialStainless Steel
CrystalSapphire with anti-reflective coating
BezelUnidirectional rotating, rider tabs
Dial ColorBlack
Lug Width22mm
Lug-to-Lug49.0mm

Features

Water Resistance200m / 656ft
Bracelet/StrapStainless steel Rouleaux bracelet
ClaspFolding clasp with micro-adjust
Weight185g
Complications
ChronographDate

Pricing

Retail (MSRP)
$8,900
Market Price
$5,900