Piedra de toque was released on November 27, 1963.

Piedra de toque was directed by Julio Buchs.

Piedra de toque has a runtime of 1h 42m.

Piedra de toque was produced by Jesús Rubiera.

The son of don Enrique Rivera, a wealthy businessman with immense properties in Equatorial Guinea, Carlos is a young man as handsome as he is carefree. He maintains a romantic relationship with Dora, his father's beautiful secretary. However, don Enrique, unaware of his son's feelings, asks Dora to marry him. The young woman, fed up with Carlos's lack of commitment, accepts the widower's proposal. When Carlos receives the news, he decides to go to Africa trying to forget Dora and the love disappointment that has broken his heart.

The key characters in Piedra de toque are Carlos Rivera (Arturo Fernández), Dora (Susana Campos), Elena (Ángela Bravo).

Piedra de toque is a Drama film.

Piedra de toque has an audience rating of 5.2 out of 10.