Just checked a 16610 of a friend and it has a serial number I cannot place. Normaly it is a letter, followed by several numbers, eg G###### However his has 4 numbers, followed by letter S and then again 4 numbers, so ####S#### It was purchased brand new l...
...after the V serial (2008-2009) Rolex introduced alphanumeric random serials. today is not so clear if they are totally random or there is a key. imho. chris