Make sure you Be aware that commencing in 2005, Rolex began engraving the serial range within the interior bezel (also referred to as the rehaut) underneath the crystal with the 6 o’clock posture. Though the crystals over the 160xx technology of Datejust watches are still made out of acrylic, the https://www.watchesworld.com/a-history-of-watch-reference-numbers/