A mí en la misma página de e-Bay, abajo, me aparece el mismo modelo mucho más económico (por menos de 300 euros) aunque no sé si es buen o mal precio porque no conozco la marca. Por cierto me suena que una marca de prestigio usaba calibres de esta marca. A ver si lo busco.
PS: Uffff... ¿Puede tener alguna relación con PANERAI?
Buscando en el foro salen algunas cosas.
También he encontrado esto; no sé si se trata de la misma marca:
"... Chezard is a movement manufacturer which is known to vintage watch collectors and is a company which has driven innovation and success for other watch companies.Companies like Chezard, Martel, Kelek were the hidden part of the iceberg.
Chezard, specialized in this complication in '50s and manufactured several calibers of this movement, C7400 being of them. The seconds hand moves only once every 1 second, unlike other mechanical watches which sweeps away. Dead beat seconds were targeting especially precise seconds measuring professions so as doctors for pulse counting, or military personnel where synchronization to seconds were crucial.
Cased by many watchmaking companies Chezard movements were complicated for its time and still a sought after movement in watches. Other companies like Omega and Rolex have also manufactured in the same decade dead beat seconds watches. Rolex called it 'Tru-beat' , Omega called its Cal 372 ' Synchro-Beat'. However Omega's manufacture was not very successful and was called back to factory due to imperfections.Panerai also uses this movement in their ' Independent' models.Due to the brand mark on dial these examples would fetch up 5 digit $$$..."