Just Imagine. They got the long shirt collar tips right. Nurses wearing hotpants missed the mark, while the hemlines got shorter, they were replaced by pants before they got that short.
Since the rules are always changing, a new category for cult films could be old black and white movies and silent films that relatively few are watching now but did really good at the box office when first released.
1925 - The Lost Continent
1933 - King Kong
I never get tired of watching the original King Kong, it just doesn't age for me. The dark black and white sets make the whole movie seamlessly fit together.