Representing a world first, the Grande Complication A Triptyque offers three dimensions of time expressed on three faces. On the front, civil time is displayed in the most accurate possible manner, thanks to its tourbillon with a titanium carriage and a revolutionary escapement. On the back, the watch displays sidereal time with a patented zodiac calendar, equation of time, and sunrise and sunset times. The third face indicates perpetual time in an original manner: The perpetual calendar is housed in the carrier and driven by the main movement. In all, this timepiece boasts 18 complications.