Rolex Daytona Steel 16520 Black Floating Dial Box and PapersThe Mk1 and 200 Zenith We are delighted to offer another rare Daytona, a Mk1 Floating 16520. The watches are known as Zenith Daytonas due to the fact that the watches had a modified Zenith movement. This example features a black dial with five lines of text, with the bottom COSMOGRAPH line floating from the rest of the text. The dial is in wonderful original condition with sub dials that are turning slightly brown. The watch is fitted with a rare and