Calendar Express coordinating body susceptible

Calendar Express coordinating body susceptible to failure are:
(1) can not be quickly adjusted the calendar, or to adjust the time, feeling gear slipping. This problem would normally and calendar cover plate in the gap in a relationship (with obstacles), or suppress the calendar dial plate, and then some of the issues is allocated to the pin wheel clutch rod deformation, pull-block components deformed, leading to allocation of needle wheel Fast Jog Dial and Calendar mesh well.

(2) Table to quickly adjusted the calendar gear feeling was not obvious, for this reason, and the loss quite rusty, covered head cut off spring of the three characters are related.

(3) the table to still be in the normal gear quickly adjusted the calendar, indicating fast dial, and calendar pin-wheel there is no clutch between the Jog Dial to open,
This block, as well as lying round of the clutch pull rod or call the pin wheel deformation of the clutch shots. Would like to say that the problem is not large, is the watch easy to misuse, so that date display to change an error.