This double-marked Movado Zenith watch produced in 1970 houses the in-house Zenith Caliber 2572PC automatic. Both Movado and Zenith brands belonged to the same holding company https://www.xhorloge.com/product-categorie/bvlgari/ (the Movado-Zenith-Mondia group) when this watch was manufactured. After the 1969 https://www.xhorloge.com/product-categorie/panerai/ merger between Mondia, Zenith, and Movado, Zenith frequently used Movado movements (notably Caliber 405 and 408) and Movado used Zenith movements, most significantly the https://www.watchesx.co.uk/Collection/zenith/ El Primero (Zenith Caliber 3019).