A few days ago, Blancpain, a well-known Swiss watch brand, brought new models of Baselworld 2012 to the Shenzhen station tour, and brought the world’s first time and calendar of traditional Chinese ‘Yin and Yang stems and branches’. Chinese almanac perfectly presented on the dial. It is reported that the watch was developed over five years. The team of watchmakers has overcome the problem of irregular Chinese calendar system, solved the display problem of the Gregorian calendar and the Chinese lunar calendar, and integrated the moon phase profit and loss function closely related to the Chinese calendar. The watch is equipped with Blancpain’s newly developed 3638 automatic winding complex mechanical movement set with 39 gems and a power reserve of up to 7 days. It will be fully listed in China next year.