Rolex Daytona 16520 "floater" R series not in stock very rare and unpolished Zenith Daytona with “floating dial”. Unpolished case with serial R7xxxx (1988). Very nice original bracelet in great condition with claspcode M5 (1988). rolex vintagerolex rarechronographs floatingdial floater zenithdaytona 16520 rolex16520 rarebirds