< p > calendar table appearance, especially the dial, looks complicated, but if we are to understand the meaning of its representative is actually very easy to read. In the perpetual calendar watch, date, week, month, year, leap year even the phases of the moon show that both pointer type, window type.
can now see the perpetual calendar there are 6 display modes:
leap year display:
< p > calendar watch, leap year show there are many kinds of methods, and even dial display, window display in the leap year usually use uppercase B (Bissextile) to represent small pointer or window display.
in addition to the traditional calendar, week, month and moon phase display outside, some watches also added a year display. The year showed four and two digit two.