You should note that starting up in 2005, Rolex began engraving the serial range within the inner bezel (also known as the rehaut) beneath the crystal within the 6 o’clock situation. When doubtful, Select a Serpenti in two-tone metals—a modern, striking watch which will hug your wrist like a 2nd https://www.watchesworld.com/a-history-of-watch-reference-numbers/