Patent ID: 7782715

Claim:
A timepiece provided with a calendar mechanism, comprising: a dial train, a display device provided with a wheel and pinion whereof the position depends on the day of the month, a correction organ cooperating with said display device and ensuring its driving at the end of months having fewer than thirty-one days, wherein said mechanism also comprises a month organ having a period of one year and comprising a cam advancing by pitch, at a rate of one pitch per month, a programming organ, driven by the dial train and cooperating with the month organ, and provided with a wheel and pinion cooperating with the correction organ to cause it to advance, during the month, by as many pitches as the month has days fewer than thirty-one, and wherein said correction organ comprises an actuation device connected to the display device to enable it to advance, at the end of the month, by the number of pitches by which the correction organ was advanced during the ending month.