Rolex King Midas ref.3580 2nd-series from 1974

The ref. 3580, which had a short production run and was actually made in fewer numbers, than the first series making it even more rare. The ref. 3580 can be found from production number 800 onwards up to No. 1200, and it was thought that 500 total were produced, with a small number in white gold and the majority in yellow gold. The ref. 3580 and the 9630 are almost identical, with one difference being the case side engraving, which is sans serif in the 1st series with a very unique look. The bracelet also has minor differences in the depth of the links, and the clasp has 3 adjustment pin holes in the 2nd series and only 2 adjustment pin holes on the 1st series. People used to believe that the 2nd series 3580 had a Cellini dial that Rolex updated in this model and carried on to the later third series. However, it has been confirmed that the reference 3580 was born with a MIDAS dial in all its full production run, and the 2nd series watches found with a Cellini dial have a service dial f