Rolex Oyster Perpetual Date Silver Dial Ref 1530The reference 1530 is one of the rarest Datejust that was made for only a couple of years and was a test for the Oysterquartz watch. The unusual integrated bracelet case became well known as the Oysterquartz but early market test watches were released with automatic movements. This example remains in great condition with a strong case and bracelet. The silver dial has, like many of these watches, changed colour to a subtle cream hue. The watch is