Make sure you Notice that commencing in 2005, Rolex started engraving the serial amount around the inner bezel (also called the rehaut) beneath the crystal in the 6 o’clock position. When in doubt, go for a Serpenti in two-tone metals—a smooth, putting watch that can hug your wrist like a https://www.watchesworld.com/a-history-of-watch-reference-numbers/