Rolex Datejust white sigma dial ref 1603Matte is flat and funky The matte dial is most associated with black dial Rolex sports watches, but was also used in dress watches including this very cool Datejust with white matte dial. The dial has sigma symbols on the bottom edge, that indicate that the hour markers are made in solid gold. The dial is outstanding with crisp black text and interesting hour markers at six and nine. The lume plots have taken on a cream patina that is a decent match