The Rolex Submariner 1680 is a testament to the enduring appeal of vintage tool watches, pairing functional design with the kind of honest aging that gives each example its own character. The dial is matte black with tritium hour markers that have mellowed into a warm, creamy tone over time, a natural result of the lume’s aging that enhances the watch’s classic look. Details like the bi-directional bezel and the distinctive “top hat” crystal add to its period-correct charm, making it a favorite among collectors for both its historical importance and long-term desirability.