Vintage style is usually a classic design that is accessorized in such a way that it hints at a specific period of fashion from a bygone era.
Vintage. Something that is too old to be considered "used" but not as old as Grandma. By calling it "vintage" the seller tries to distract the buyer from the item's blatant imperfections. Like many "retro" items, "vintage" items are often either mid-century modern (in style if not in fact) or related to bygone pop culture, junk food or fashion trends.