What do LN, LV and BLRO stand for?

They are French colour abbreviations. LN is lunette noire (black bezel), LV is lunette verte (green), BLRO is bleu et rouge (blue and red), BLNR is bleu et noir (blue and black).

Where is the reference number on a Rolex?

On current references it is on the guarantee card and the swing tag, and can be read from the case between the lugs with the bracelet detached on many models. The rehaut at six o’clock carries the serial, not the reference.

Does a reference number tell you the year?

Not directly. The reference identifies the model generation, not the production year. Year is established from the guarantee card date or, on older watches, from the serial range.

How do you read a Rolex reference number?

A current Rolex reference i a number plu a uffix. The number identifie the ca e and generation, for example 126610. The letter de cribe the bezel and colourway: LN i black, LV i green, BLRO i blue and red, BLNR i blue and black. The y tem i convention, not publi hed tandard.

The number, then the letters

Take the Submariner Date 126610LV. The ix digit place it within a generation of the Submariner Date ca e, and the final digit di tingui h it from it ibling . The two letter are the part mo t…

Why it is a convention, not a standard

Rolex doe not publi h a decoding cheme, and the pattern have hifted acro decade . Older reference followed different logic entirely, and ome number are hared between model that are otherwi…

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