You should Observe that commencing in 2005, Rolex started engraving the serial quantity within the interior bezel (also referred to as the rehaut) under the crystal in the six o’clock placement. When doubtful, Opt for a Serpenti in two-tone metals—a modern, putting watch that should hug your wrist just like https://www.watchesworld.com/a-history-of-watch-reference-numbers/