When Baya's mother is characterized by her likes and dislikes, she can be seen as a hippie in the 70s, and it is mentioned that she hates films of the 70s starring Alain Delon with the word "flic" (cop) in them. Then a poster of the film Pour la peau d'un flic is briefly shown. Yet, that film only opened in 1981.
Baya tells that her parents met during a demonstration against the Military Coup in Chile by Agusto Pinochet, and later she says that her parents got married in 1972. The Chilean Military Coup occurred during September 1973.
When Baya first meets Arthur and is yelling at him to shut up about the duck, in close up her shirt is fallen off her left shoulder. The camera breaks to a wider shot and her shirt is off the right shoulder.