Rolex Datejust Silver Sigma Black Markers Dial 1603A black mark on a silver base Ever since its introduction in 1945, the Rolex Datejust has been a classic watch in terms of its styling, proportions and impact on the wrist. We are always delighted to offer you the very best examples of these perennial favourites as often as we can. This Dj has a very pretty look, with fresh looking silver soleil pie pan dial with unusual black capped hour markers. The dial has sigma markings either side of the T SWISS