Rolex Daytona Steel 16520 White DialThe A Series Solid Endlink Zenith Daytona The 16520 was Rolexs first automatic chronograph, unveiled at Baselworld in 1988. Powered by a modified Zenith movement (hence the nickname) the watches became an instant hit, due to its larger size and restyled aesthetics. Today we are pleased to offer this white dialed version dating to 1999, one of the last watches from the Zenith era watches before the in house movement Daytona was launched at Baselworld