This vintage Rolex Explorer II ref. 1655 "Freccione" Mark II is one of the most iconic and collectible tool watches ever produced by Rolex. Introduced for professional explorers and speleologists, this reference features a 39 mm stainless steel case, a fixed 24-hour engraved bezel, and the unmistakable oversized orange 24-hour hand that earned it the nickname "Freccione." The Mark II matte black dial displays beautifully aged tritium lume with an attractive pumpkin patina, enhancing its vintage character and desirability. Powered by the reliable Rolex automatic Caliber 1575 GMT, it offers a 24-hour indication in addition to the standard time display. Preserved in excellent vintage condition, this Explorer II perfectly combines historical significance, outstanding functionality, and timeless Rolex design, making it a centerpiece for any serious collection.