subject: Observatory Watch [print this page] Stringent testing by the agency's watch movement that is "chronometer movement," and can be marked the world of "Chronometer" on the dial,attached with a beautiful certificate in the box. More is now in the form of sampling that is representative of each of a batch by a qualified; in the history of rigorous testing and, moreover, often organized COSC precision race walking. Early years, the Patek Philippe (Patek Philippe) has won many awards in this competition.
