Despite the communist authorities' ban on the film, it was in secret sent to Cannes in film cans with false inscriptions on them. Because of this incident, Has couldn't make a movie for the next 8 years.
The hourglass of the title refers to the use of this object as a symbol in obituaries and death notices among the Poles.
Won the Jury Prize at the 1973 Cannes Film Festival.
The film is an adaptation of Bruno Schulz's story collection Sanatorium Under the Sign of the Hourglass