Tonda PF Xiali Chinese Calendar

Tonda PF Xiali Chinese Calendar is is a watch combining both a solar and a lunar calendar, which are calculated separately and then synchronized. Its informations are multiple and complex.Hours and minutes; the display of the month and its numbering; an additional month when applicable (i.e., every 3 years); short month (29 days) or long month (30 days); solar terms as corresponding to 24 divisions of 15° of the sun's path along the ecliptic (the sun's trajectory as seen from the earth); pointer and name of the year; indication of the animal and the elements with alternating colors, whether Yin or Yang; numbering of the days and moon-phases. All the information and adjustments are made quickly thanks to the various correctors located on both sides of the case middle.The watch conceals an extremely sophisticated mechanism that allows for their display of this information in the classical Chinese characters.