How to find your model number

Rolex model numbers are 6 digits for modern models, 5 digits for older models and 4 digits for really old ones. Occasionally this is followed by 2-4 letters which indicates a certain specification.

The simplest way for find a Rolex model number for modern models is by checking your warranty card and looking for the Model Number field. For older models with a Guarantee Certificate, the model number is generally on a sticker on the front.

If you do not have a warranty card or certificate, the model number is engraved between the shoulders of the watch at the top of the case (12 o'clock side), behind the bracelet. The serial number is between the lugs at the 6 o'clock side. You may need to remove the bracelet or shine a torch to see them clearly. This is only advisable if you are confident in removing your bracelet.

Omega model numbers are generally 14 or 8 digits long in a XXX.XX.XX.XX.XX.XXX or XXXX.XX.XX format respectively.

This will be shown on the Omega Warranty Card as the REF number, not to be confused with the Watch No. which is the serial number.

Breitling model numbers are always a letter or two, followed by five or four numbers.

This can be found easily by checking the warranty card or certificate included with the watch.

They can also be seen engraved on the case back of the watch above the serial number.

TAG Heuer model numbers typically follow a format like CAZ1011.BA0842. The first section indicates the model of the watch and the second part is the style of included bracelet part number.

On more modern TAG Heuer models, the model number is not shown on the Warranty Card, instead replaced with the warranty number and QR codes. However, they were printed on older ones.

TAG Heuer model numbers are always engraved on the case back of the watch, situated above the serial number which is confusingly in the same format. If you're ever unsure, please provide us with both and we can work out which one is correct.

Tudor model numbers are five digits long and can be followed by one or two letters, which indicate the colour styling of the watch.

Model numbers are printed on the warranty documents of the watch under the model field.

They are also engraved into the back of one of the shoulders of the watch.

Cartier reference numbers are engraved on the case back and printed on the original warranty papers and certificate of authenticity.

The most modern Cartier model numbers are four letters followed by some numbers but some older ones were just one letter followed by numbers. Models that are older still are sometimes just four digits.