On May 9, 60 different Rolex Day-Dates, ranging from the earliest known examples to those with unique bejeweled dials, will be sold in Geneva.Here are eight of the most breath-stealing watches from the sale. Wood-dial Day-Dates came from Rolex in three variations, walnut, mahogany, and birch burl, but this one with a white gold case and mahogany dial might be the most wearable of the lot.The Roman numerals were I, II, III, IV, which represented which quarter of the year the watch was produced.The numbers simply represented the two-digit year in which the watch was produced.
As an example, the year 1944 listed below shows a serial number range of 270000, but this year could include serial numbers below and above this number (i.e. This is simply the median number represented for that year. The information provided on this page is solely the work of the author and has not been reviewed or authorized by Rolex USA.
An example of this number would be something like "16G9L7F4" and could start with either a letter or number.
This offers them a seemingly endless numbering system by which they could continue indefinitely.
This sequence continued through November 1991, when a new numbering system was introduced utilizing the letters N, C and S, which took them through 1993.
In 1994, Rolex started yet another sequence with the letters: W, T and U, then A, P, and K in subsequent years, followed by Y, F, D, Z, M, V and then G in 2010.Furthermore, the publishers have received no help from Rolex USA, nor any of its associated companies or any serving employees.