Anachronistic

əˌnæk·rəˈnɪs·tɪk

adjective

belonging to a different time period; out of date or chronologically misplaced

The term 'anachronistic' is often used to describe something that is old-fashioned or belonging to a different era, making it out of place in the current time or setting.

No excess flesh, a flat belly, small behind and smaller bosom -Rachael had been modeled on the Celtic type of build, anachronistic and attractive, Below the brief shorts her legs, slender, had a neutral, nonsexual quality, not much rounded off in nubile curves.

Dick, Philip K.

Do Androids Dream of Electric Sheep?