The “Datejust” name had turn into a long term fixture on its dial, along with other characteristics like the hands, bezel, hour markers, and crystal (with cyclops magnification lens) took sorts that remain a great deal present on the trendy Datejust watches that Rolex manufactures now. 100M Waterproof: By using https://www.watchesworld.com/a-history-of-watch-reference-numbers/