Watchlords

adding another site with serial numbers for Rolex and Tudor. Better explaination also

Rolex Serial Numbers...

Rolex watches feature two sets of identification numbers...
a Serial Number and a Case Reference Number.


On modern Oyster cases (excluding the OysterQuartz),
these numbers are engraved between the lugs,
hidden behind the end pieces (as shown in the images below).



http://qualitytyme.net/pages/numbers.html