As to the dual-calendar mechanical watch which uses pull-push calendar adjustment mechanism, the week is bilingually displayed. It is a normal phenomenon that the language is temporarily alternated during the week transition. If you need to change the language, the operation shall be undertaken after moving the pointer to about 4:00 am position.
The adjustment order of calendar and time: adjust week/ select week language/ adjust date/ adjust the time. The watch which has no week display is exempted of the first and second steps, the second step is exempted for the alternation of language. The operation procedures are listed below.
Week adjustment: Pull the crown to the 1st gear, rotate the crown to facilitate the pointer to move clockwise; when the pointer passes about "24:00", the week alternates, and the week is adjusted to one day before the current week;
Week language switching: the crown is still in the 1st gear, rotate the crown clockwise, when the pointer is reverted counterclockwise to the vicinity of "1 o'clock" position, the language switching starts, the weekend temporally displays the previous day and then displays the current day; continue to rotate the crown to make the hour hand anticlockwise revert to about 9 o'clock, the language switching is completed.
Calendar adjustment: The crown is still in the 1st gear, push and pull the crown once, and the calendar has the alternation of one day until it is adjusted to be one day before the day.
The crown is still in the 1st gear. Rotate the crown anticlockwise to adjust the pointer to the accurate time. The alternation of calendar at 12:00 p.m. shall be avoided.