Rolex: Serial Numbers and Country Codes

Oct 13, 2020by Philipp Mayrhofer
Featured Image

The coveted timepiece with the five-pointed emblem undoubtedly makes the hearts of watch lovers beat faster. It captivates not only with its timeless elegance and functionality, but also with its engraved history, which collectors will recognize as a true treasure trove. A closer look reveals much more than just the time. The watch tells a story; you just have to know how to interpret its codes and abbreviations. Engraved serial numbers and country codes provide information about the watch's age and origin – making your Rolex even more distinctive.

The personal fingerprint of every Rolex

Mystique surrounds Rolex serial numbers. They not only give each watch a unique designation, but also reveal to connoisseurs which year the valuable piece was produced. For many, the warranty certificate, the "identity card" of every Rolex, is almost as important as the watch itself. Among other things, it provides information about the origin – or more precisely, where the famous watch with the crown was first delivered. Fascinating to collectors since its inception, Rolex itself has never published an official list of these numbers. We owe our knowledge of the approximate chronology to the unwavering passion of collectors and experts from all over the world who have compiled their knowledge and whose information is generally considered accurate.

This is what the serial number reveals

At first glance, the system for assigning numbers appears to be a jungle of numbers, as serial numbers became increasingly longer with ever-increasing production volumes. Rolex solved this problem in an unconventionally pragmatic way. Rolex serial numbers began in 1927, when over 20,000 models were produced that year. By 1954, the number had already reached one million, after which the numbering was reset to 100,000 and started again. An interesting decision – today, two watches from different years can have the same number. When the ten-million mark was broken in 1987, letters were used in combination with a serial number. For watches manufactured up to 2010, you can use a little detective work to roughly determine the year of manufacture of your favorite piece. A quick comparison with the following list is sufficient:

*The current serial numbers are encrypted and can only be assigned to the production date by Rolex itself.

What is inside is written on the outside

Where can I find this number? On older models, you can read the serial number of your timepiece on the outside of the case between the lugs. This means you don't have to open the watch to determine its age. Furthermore, up until the 1960s and 1970s, many models also had the production year and quarter on the inside of the case back. "II 62," for example, stands for the second quarter of 1962. Starting in 2007, Rolex made it easier for wearers to see the number: Since the introduction of the GMT Master II 116710LN, it has been engraved "at 6 o'clock" on the inside of the case bezel (rehaut), which surrounds the dial. This means that just a glance at the watch is enough to read the serial number.

A Rolex knows no age

Timeless – classic yet modern, that's how we know Rolex models. Since 2010, the manufacturer has erased even the last traces of possible age determination. Serial numbers are now encrypted using a random 8-digit combination of letters and numbers. The wearer can no longer see how many times the case has actually rotated around the sun. But is age even important in light of such timeless elegance? Only subtle differences can be found between individual productions, for example on the dial - a game of clue-finding for connoisseurs. Of course, the Rolex has not lost one iota of quality or status as a result of the new numbering system.

Country codes: highly sought-after abbreviations

Until recently, the warranty certificate for their five-pointed watch was sacred to Rolex owners – primarily because of the country code (LC) it bore. Only a few watch manufacturers use this designation. The country code indicates the country in which the watch was first delivered, more precisely, the distribution area for which it was intended and where it was shipped after production in Switzerland. Consequently, one and the same country can have multiple LCs. Switzerland, for example, has 23 different ones, while the USA is the only country without a code. However, one particular country code remains particularly sought after by Rolex collectors: LC 100. It stands for Germany and enjoys a high status in the Rolex universe. Watches with an LC 100 also come with all paperwork, booklets and instructions in German – which naturally makes an informative discussion much more pleasant. Otherwise, watches with different country codes are of course identical – the LC can only become an issue at customs. However, with proper declaration and customs clearance, this is not a problem.

Here is a list of country codes:

The main thing is Swiss

On the newer electronic warranty cards, the country code had to be moved from the front to the back, where it has been since 2015. Rolex recently abolished LCs altogether. Has this put an end to the hype surrounding the "LC 100"? One can only guess. The watches are all manufactured in beautiful Switzerland anyway. The cryptology of the earlier warranty certificates, with their numerous numbers and stamps, has also given way to simplicity and technological advancement in the newer cards. But despite all the changes, one thing remains certain: the timelessness and beauty of a high-quality Rolex watch remains.

Über den Autor

Authors | Philipp Mayrhofer

Authors | Philipp Mayrhofer

Pierre grew up in a small village near Lörrach, close to the Swiss border. His passion was ignited when, at the age of 15, he visited a watchmaker's workshop and saw intricate gears brought to life.

Mehr zum Autor