Буквы обозначения у Ролекса - Popular Rolex Reference Letters
 

Вот у Бobs Watches увидел, может кому пригодится. На английском правда, но думаю легко перевести через Google.

Popular Rolex Reference Letters

BLRO (Bleu/Rouge): Blue and red bezels found on GMT-Master I/II watches
BLNR (Bleu/Noir): Blue and black bezel found on GMT-Master II 116710BLNR
CHNR (Chocolat/Noir): Brown and black bezel found on GMT-Master II watches
GV (Glace Verte): Green sapphire crystal found on Milgauss 116400GV
LB (Lunette Bleu): Blue bezels found on Submariner watches
LN (Lunette Noir): Black bezels found on Submariner and GMT-Master watches
LV (Lunette Verte): Green bezels found on Submariner watches
TBR (Tessellate Brillants): Watch set with diamonds, such as Daytona 116576TBR
TEM (Tessellate Emeraude): Watch set with emeralds, such as Day-Date 40 228396TEM
SABLV (Saphirs Bleu Vert): Watch set with blue and green sapphires, such as Pearlmaster 39 86348SABLV
SABR (Saphirs, Brillants): Watch set with sapphires and diamonds, such as Submariner 116659SABR
SACO (Saphirs Cognac): Watch set with cognac colored sapphires, such as Daytona 116598SACO
SAFUBL (Saphirs Fuchsia Bleu): Watch set with fuchsia and blue sapphires, such as Pearlmaster 39 86349SAFUBL
SAJOR (Saphirs Jaune Orange): Watch set with yellow and orange sapphires, such as Pearlmaster 39 86348SAJOR
SANR (Saphirs Noir): Watch set with black sapphires, such as GMT-Master II 116759SANR
SARU (Saphirs, Rubis): Watch set with sapphires and rubies, such as GMT-Master II 116759SARU

It’s one thing to memorize strings of digits when it comes to Rolex reference numbers. But then, add in a few letters, and now things just got a little bit more complicated. Have you ever come across a Rolex watch, looked at letters in its reference number, and wondered what they mean? Lucky for you, we’ve come up with a super handy guide to decoding those letters.

The Letters In Rolex References Are Abbreviations For French Words
As a Geneva-based company, French is the official language of Rolex. Therefore, if you know a few French words – namely colors, gems, and watch components – the letters in Rolex reference numbers will be quite a bit more easy to understand.

Bleu: Blue
Brillants: Faceted diamonds
Chocolat: Chocolate (aka brown)
Emeraude: Emerald
Glace: Window (aka crystal)
Jaune: Yellow
Lunette: Bezel
Noir: Black
Rouge: Red
Rubis: Ruby
Saphirs: Sapphire
Vert: Green

замечательно. thanks.

Спасибо, мне кажется тему можно закрепить.
Кстати LN бывает и на дайтоне, не только на сабе и гмт

Вот на днях наткнулся на инфографику