Breitling Navitimer B01 Chronograph 46

Reference AB0127211B1A1 | 46mm | Black Dial | Stainless Steel Bracelet | Manufacture Caliber B01

Few watches are as immediately recognizable—or as closely connected to the history of aviation—as the Breitling Navitimer. More than simply a luxury chronograph, the Navitimer began life as a genuine flight instrument and has remained one of Breitling’s defining watches for more than seven decades.

This Navitimer B01 Chronograph 46, reference AB0127211B1A1, takes that historic design and pairs it with one of Breitling’s most important modern achievements: the in-house Breitling Manufacture Caliber 01 automatic chronograph movement.

At 46mm, this is a substantial Navitimer with exceptional wrist presence. The larger case also gives the famously information-rich Navitimer dial and circular slide rule additional room to breathe, making this an especially impressive interpretation of Breitling’s aviation icon.

The History of Breitling & the Navitimer

Breitling’s history is deeply intertwined with the development of the modern chronograph. Founded in Switzerland in 1884 by Léon Breitling, the company became known for precision timing instruments and chronographs at a time when accurate portable timing was becoming increasingly important to industry, sport and aviation.

The Navitimer story began in 1952, when Willy Breitling was approached by the Aircraft Owners and Pilots Association (AOPA) to develop a chronograph specifically for pilots.

Breitling combined a chronograph with a logarithmic circular slide rule derived from the company’s earlier Chronomat. The resulting watch allowed pilots to perform calculations including average speed, distance traveled, fuel consumption, rate of climb or descent, and conversions between miles, kilometers and nautical miles.

Its name combined two words that described exactly what Breitling had created:

NAVIgation + TIMER = NAVITIMER

The earliest Navitimers were produced for AOPA members, with the watch subsequently becoming available to the broader public. More than 70 years later, the basic visual formula remains unmistakable.

That heritage is what makes the Navitimer different from many modern luxury chronographs: the complexity of the dial is not simply decorative. It comes directly from the watch's original purpose as a mechanical calculating instrument for aviation.

The Navitimer B01 Chronograph 46

Reference AB0127211B1A1 is a particularly commanding version of the classic Navitimer.

Its 46mm stainless-steel case increases the watch's presence while also improving the legibility of the Navitimer's detailed dial and circular aviation slide rule. Breitling itself describes the 46mm version as a larger-than-life interpretation of the Navitimer legend.

The black dial retains the unmistakable Navitimer architecture: chronograph registers, date display and the intricate circular slide rule surrounding the dial. A bidirectional rotating bezel allows the slide-rule scales to be positioned for calculations.

The watch is protected by a convex sapphire crystal with anti-reflective treatment on both sides. Turn it over and a sapphire exhibition caseback provides a view of the movement inside—arguably one of the biggest reasons to own this generation of Navitimer.

The Breitling Manufacture Caliber 01

At the heart of this watch is the Breitling Manufacture Caliber 01, or B01.

This is not simply an externally sourced automatic movement placed inside a Breitling case. The B01 is Breitling's manufacture mechanical chronograph caliber and represents an important chapter in the company's modern watchmaking history.

It is a self-winding mechanical chronograph operating at 28,800 vibrations per hour, utilizing 47 jewels and providing approximately 70 hours of power reserve.

The chronograph measures elapsed time to 1/4 second and incorporates 30-minute and 12-hour counters.

The roughly 70-hour reserve is particularly useful in everyday ownership. A fully wound watch can generally be taken off for a weekend and still have sufficient reserve to continue running when picked up again.

Just as importantly, the movement is visible through the sapphire exhibition caseback. The Navitimer therefore offers two very different personalities: the highly technical aviation instrument on the front and the mechanical engineering of the B01 on the back.

For an enthusiast, that combination is a significant part of this reference's appeal.

Why This Navitimer Is Special

The Navitimer occupies an unusual position in modern watchmaking because its signature design was created for function rather than simply style.

The circular slide rule that gives the Navitimer its distinctive appearance originated as an actual computational tool for pilots. Today's owner may never need to calculate fuel consumption from the wrist, but the functionality remains part of the watch.

Reference AB0127211B1A1 adds another layer to that heritage by combining the traditional Navitimer architecture with Breitling's Manufacture B01 movement.

The 46mm case also distinguishes this model from smaller Navitimer references. It is unapologetically substantial, giving the watch tremendous wrist presence while providing more visual space for one of the most detailed dials in watchmaking.

This is not intended to be a subtle watch. It is a mechanical aviation chronograph with history, complexity and presence.

Active Breitling Electronic Warranty

This example has an active Breitling electronic warranty through December 2029.

Although there is no physical warranty card accompanying the watch, Breitling's electronic warranty system is important to understand.

Breitling uses electronic warranty activation and digital registration as part of its modern ownership system. According to Breitling, its electronic international warranty card is activated through Breitling's authorized channels and can be presented in connection with an eligible international warranty claim at an authorized Breitling retailer, distributor or service center.

In practical terms, the active electronic warranty provides something far more meaningful than an unverified piece of paper: Breitling's own system recognizes the watch and its warranty status.

Breitling also offers digital ownership functionality for supported watches, including a digital passport designed to provide a secure digital certificate associated with the watch.

For a pre-owned buyer, documented active manufacturer warranty coverage can provide additional confidence because the watch remains within Breitling's warranty ecosystem, subject to Breitling's applicable warranty terms and conditions.

Electronic Breitling warranty active through December 2029.

Specifications

Brand: Breitling
Collection: Navitimer
Model: Navitimer B01 Chronograph 46
Reference: AB0127211B1A1
Case: Stainless steel
Diameter: 46mm
Thickness: 14.52mm
Dial: Black
Crystal: Convex sapphire, anti-reflective treatment on both sides
Caseback: Sapphire exhibition caseback
Bezel: Bidirectional rotating aviation slide rule
Movement: Breitling Manufacture Caliber 01
Movement Type: Automatic / self-winding mechanical
Power Reserve: Approximately 70 hours
Frequency: 28,800 vibrations per hour
Jewels: 47
Chronograph: 1/4-second, 30-minute and 12-hour indications
Bracelet: Stainless steel
Water Resistance: 30 meters / 3 bar
Warranty: Active Breitling electronic warranty through December 2029

A Modern Version of an Aviation Icon

There are plenty of luxury chronographs. There is only one Navitimer.

From its origins as a purpose-built instrument for pilots in the 1950s to the development of Breitling's modern Manufacture B01 movement, the Navitimer represents more than seven decades of aviation and chronograph history.

Reference AB0127211B1A1 captures both sides of that story exceptionally well: the unmistakable slide-rule design that made the Navitimer famous and the modern mechanical engineering of Breitling's B01 caliber.

For someone looking for a Navitimer with serious wrist presence, an in-house manufacture movement, exhibition caseback and active Breitling electronic warranty, this 46mm configuration is a compelling example of one of the most important watches in Breitling's history.

Offered by Avera Trading Company – Buy. Sell. Source. Trade.

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