Rolex Submariner 5513 with White Gold Hour MarkersThe Youngest of the Rolex Plexi Subs The last series of plexi glass Rolex Submariners had cool gloss dials and white gold hour markers that had tritium luminous filling. The cool thing about these watches is that the tritium aged and so you still get the warmth of a vintage Sub with gentle patina and a domed plexi, but at a great price! The hands match the lume on the dial, both having taken on a gentle cream patina. The case remains in good, thick