Immediately after Zenith Radio resold Zenith in 1978, Ebel made a decision to buy some unassembled Calibre 3019PHC movements in 1981, which Zenith assembled out of leftover spare parts.[24] Rolex expressed desire in utilizing the 3019PHC to energy a completely new series of Daytonas, but would not award the 10-calendar year agreement to Zenith righ