The “Datejust” name experienced become a long-lasting fixture on its dial, along with other characteristics including the arms, bezel, hour markers, and crystal (with cyclops magnification lens) took kinds that remain very much present on the modern Datejust watches that Rolex manufactures these days. 100M Waterproof: With a drinking water https://www.watchesworld.com/a-history-of-watch-reference-numbers/