El botón de nácar (2015) 2015, Chile, Documentary, France, Spain, Switzerland El botón de nácar (2015) Duration: 1H22M Description: Delving into the nearly-religious significance of water, this profound rumination on memory and loss bridges the gap between its mystical origins, Pinochet’s coup d’état, and the secret of a mother-of-pearl button at the bottom of….. Trailer France Spain Chile Switzerland 2015 Documentary