Traditional Chinese Calendar.??In 2012, Blancpain presented the first wristwatch ever to feature a traditional Chinese calendar. This extraordinary useful and symbolic achievement is based on fundamental principles established for millennia and profoundly rooted in Chinese tradition.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:??23 mmWinding:??Automatic, calibre 3638Power Reserve: 168 hours