43mm Unidirectional satin-brushed 18ct red gold bezel with ceramic insert and Ceragold™.Complete Calendar, this practical complication indicates the date, day of the weeks and the month. The changing face of the moon reproduced on the dial adds a poetic note. Moon phases, the reproduction of the lunar cycles on the dials of Blancpain complete calendar watches evokes the time-honoured ties between watchmaking and astronomy. Sail-canvas strap with folding clasp. Automatic movement, power reserve of 72 hours.