Perpetual Calendar.??The perpetual calendar watch features a memory programmed for times to come. It indicates the correct date for a whole century without any manual intervention.Moon phases.??The reproduction of the lunar cycles on the dials of Blancpain complete calendar watches evokes the time-honored ties between watchmaking and astronomy.Water Resistance:??3 barWidth Between Horns:??20 mmWinding:??Automatic, calibre 5653APower Reserve: 95 hours