Rolex Oyster-Perpetual Date Black Sigma Dial Ref 1500The Rolex Date reference 1500 is a classic 34mm model that has increasingly caught the eye of collectors in recent years. We are pleased to offer this excellent example, featuring a matte black Sigma dial in pristine condition, complete with crisp white text and rich, vibrant lume. The term "Sigma" refers to the small Greek letter sigmas found on dials with the "T SWISS T" text, indicating that the hour markers are crafted from white golda hallmark of