The date disc is a disc, normally brass , a circular area , part of the draft of a caliber of shows . Once decorated with a background, usually white, and date indications printed, it is housed in an ad-hoc milling of the plate , connected to the movement by its gear .
Date Disc Types
The most common type is not stating that the day of the month, followed by the combination of time and an indication of the month abbreviated to three letters. Other variants offer the indication of the names of days and months in full.
Discs for other indications
Discs are also used to indicate the phases of the moon and other horological complications , respectively give indications of hours and minutes in the place of needles , or any other combination.