Perhaps the best-known of all its collections, Patek Philippe’s Calatrava has been a solid pillar of the brand since 1932.

Teens say they’d ditch their phones — if everyone else did too. What “Delete Day” really means, plus exact quotes from real teens & experts to help parents bring it home.

The first reason why you might see double square brackets in a structured reference is that the column headers they refer to contain a special character. In these cases, the extra pair of square ...