Throwback (noun)

1. A person or thing that is reminiscent of an earlier time.
2. A person or thing that is considered old-fashioned or out of date.
3. A person or thing that is considered to be a reintroduction of an earlier style or trend.

Origin:

From the verb throw back, meaning to recall or hark back to something.

Examples:

1. The new album is a throwback to the band's early days.
2. The car is a throwback to the muscle cars of the 60s.
3. He's a throwback to the old school of thought.
4. The dress she wore was a throwback to the 1920s fashion.
5. The game is a throwback to the old arcade games of the 90s.