1975 Rolex Datejust (Ref. 1601) Matte Black "Sigma" Dial

The Rolex Datejust is one of the most iconic and beloved Rolex watches ever made. This classic dress watch has been produced by the Swiss luxury watchmaker since 1945 and has remained a timeless classic that is instantly recognizable as an item of refined quality and functional design. The Datejust was designed for everyday wear, and its sleek and elegant design makes it one of the most universally loved watches for both men and women.

The Sigma matte black "pie-pan" dial is an absolute favorite amongst collectors when discussing the Rolex Datejust, though it can be exceptionally elusive. Often talked about and rarely seen this matte black dial Rolex ref. 1601 Datejust is an excellent vintage example, ready and suited for any occasion. 

A Sigma dial is a Rolex dial named for the letters printed at the bottom of the dial at the 6 o'clock position. Most Rolex dials are commonly marked with “T Swiss T,” under the 6 o'clock marker, however, a Sigma dial is marked “σ T SWISS T σ.” This signifies the use of gold components within the dial.