Please Observe that beginning in 2005, Rolex commenced engraving the serial selection within the interior bezel (often known as the rehaut) under the crystal for the six o’clock posture. Fat: Authentic Rolex watches are constructed from higher-good quality products, generally causing a heavier come to feel than counterfeit watches. It https://www.watchesworld.com/a-history-of-watch-reference-numbers/