Be sure to Be aware that beginning in 2005, Rolex commenced engraving the serial selection about the internal bezel (often known as the rehaut) under the crystal on the 6 o’clock position. Whilst the crystals within the 160xx generation of Datejust watches are still comprised of acrylic, the sloped "pie https://www.watchesworld.com/a-history-of-watch-reference-numbers/