Patek Philippe calls the Grandmaster Chime an "intelligent watch" with features such as a minute repeater, instantaneous perpetual calendar with a four-digit year display, and a second time zone.

For its 175th anniversary, the luxury Swiss watchmaker Patek Philippe invented a collection of limited-edition commemorative timepieces called The Grandmaster Chime with 20 complications ...

American actor and filmmaker Sylvester Stallone sold 11 watches in a New York auction at Sotheby’s on Wednesday, including an ...