Soon after Zenith Radio resold Zenith in 1978, Ebel made a decision to invest in some unassembled Calibre 3019PHC movements in 1981, which Zenith assembled from leftover spare pieces.[24] Rolex expressed interest in using the 3019PHC to ability a completely new number of Daytonas, but would not award the 10-yr agreement to Zenith until finally they