What type of tuxedo is Leonardo DiCaprio wearing in Titanic?

Leonardo DiCaprio's character, Jack Dawson, wears a classic black single-breasted tuxedo in the film Titanic.

While the film doesn't specify the exact cut or style, the tuxedo features:

* A single-breasted jacket with peak lapels

* A standard black bow tie

* Matching black trousers with a single stripe down the leg

* A white dress shirt with a wing collar

This type of tuxedo was very common in the early 1900s, reflecting the era in which the film is set.