The top half of the interior face of the cradle is occupied by a representation of the phases of the moon in the Northern Hemisphere. A laser-engraved moon is progressively covered and revealed by a mobile blue lacquer disc with gold glitter decor rolex swiss replica, corresponding to the age of the moon in the synodic cycle. While conventional displays of the moon phase accumulate one day of error after 32.5 months, the moon phase display of the Quadriptyque requires only one adjustment after 1,111 years.