Breitling Watch Reference Numbers: What You Need to Know

Amy Jul 20, 2026

Breitling, a renowned Swiss luxury watchmaker, has a unique way of identifying its timepieces - the Breitling reference number. This unique identifier, also known as the Breitling model number, is not only used internally by the brand but also serves as a helpful tool for collectors, enthusiasts, and horology enthusiasts to understand the specifications and history of a particular watch.

Breitling Top Time 810
Breitling Top Time 810

Breitling reference numbers typically consist of a combination of letters and numbers. However, their structure and meaning have evolved over time, reflecting the changes and developments of the brand. In this article, we delve into the world of Breitling reference numbers, exploring their composition, significance, and how to decipher them.

Breitling Highlights
Breitling Highlights

Understanding Breitling Reference Numbers

Breitling reference numbers, like those of many other watch manufacturers, are not merely random collections of numerals. They carry extensive information about the watch, encapsulating everything from its case material to its movement type and even its year of production.

How to Interpret Breitling Reference Numbers
How to Interpret Breitling Reference Numbers

While the format of Breitling's reference numbers has altered somewhat over the years, some general rules apply. In modern day Breitling watches, the reference number usually starts with the watch's case material followed by the movement type. However, the most significant change in format occurred in the 1980s when Breitling adopted a new coding system for its references.

Early Breitling Reference Numbers

Breitling Navitimer AOPA
Breitling Navitimer AOPA

Before the 1980s, Breitling's reference numbers were shorter and simpler. These early reference numbers generally consisted of a three-digit number starting with '76', signifying the year of the watch's manufacture. A letter or another number following the year indicated the watch's model type. For example, '7631' refers to a Navitimer manufactured in 1976.

In the 1970s and 1980s, Breitling introduced quartz watches which were identified by a '9' at the beginning of the reference number. These references typically followed the format '9X000', where 'X' indicated the watch's model type. '9231', for instance, is a quartz-powered Breitling Chronomat from the late 1970s.

Modern Breitling Reference Numbers

Breitling Pupitre NOS Bullhead 2117 1970s
Breitling Pupitre NOS Bullhead 2117 1970s

Since the 1980s, Breitling has adopted a more complex coding system for its reference numbers. Today, the majority of Breitling references start with a two-digit number indicating the case material. 'AB' signifies an 18kt red gold case, while 'WK' denotes a stainless steel case, for instance. This is followed by the movement type, indicated by a letter. '01', for example, stands for the Breitling Calibre 01, an in-house manufactured chronograph movement.

After these initial codes, the reference number can contain additional numerals or letters indicating various features of the watch. For example, 'L' might denote a left-handed subdial layout, or 'N' might indicate the presence of a black faced bezel. As such, understanding modern Breitling reference numbers requires knowledge of these specific codes and their interpretations.

Using Breitling Reference Numbers

Breitling Navitimer 806 GILT all caps BREITLING 1950s dial and slide rule
Breitling Navitimer 806 GILT all caps BREITLING 1950s dial and slide rule

For collectors, fans or those new to the world of Breitling, understanding reference numbers can be invaluable. They provide a means of determining key details about a watch without needing to check the movement or scrutinize the case. However, it's essential to note that, due to the many changes in Breitling's coding system over the years, not all reference numbers adhere to the same rules.

Furthermore, Breitling's use of re-issues and re-editions can sometimes muddy the waters. For instance, the Breitling Navitimer 1 B01 46, reference number 'AB0122010B1', is a modern re-issue of the classic Navitimer model but with a modern in-house movement. Such instances highlight why it's crucial for enthusiasts to have a good understanding of the broader historical context when interpreting Breitling reference numbers.

How to Interpret Breitling Reference Numbers   | Chrono24 Magazine
How to Interpret Breitling Reference Numbers | Chrono24 Magazine
Breitling Chronomat
Breitling Chronomat
Breitling Top Time 810
Breitling Top Time 810
Breitling Vintage
Breitling Vintage
Breitling Callisto Stardust Dial / Tropical Manual / Chronograph Callisto
Breitling Callisto Stardust Dial / Tropical Manual / Chronograph Callisto
Breitling Montbrillant Legende Stainless Steel Men's Watch Reference number A23340
Breitling Montbrillant Legende Stainless Steel Men's Watch Reference number A23340
Breitling Top Time 2000
Breitling Top Time 2000
Breitling Montbrillant Légende
Breitling Montbrillant Légende
Breitling Watches
Breitling Watches
Breitling Chronomat 18k Gold
Breitling Chronomat 18k Gold

Locating the Reference Number

Finding the reference number on a Breitling watch is usually straightforward. In many cases, the reference number is printed on the caseback of the watch, often along with a serial number. In other instances, it may be etched onto the side of the case, or engraved on the watch's movement. However, in some vintage or special edition models, the reference number might not appear on the watch itself, necessitating further research or contacting Breitling directly for verification.

In conclusion, the Breitling reference number serves as a gateway to understanding the rich history and intricate specifications of Breitling's watches. It's a testament to the brand's commitment to precision and detail in both watchmaking and record-keeping. By mastering the language of Breitling's reference numbers, enthusiasts and collectors can unlock the story behind each timepiece and celebrate the artistry of horology.