A device (1), and timepiece having the device, for displaying a succession of periodic events which form an annual cycle, including a periodic events indicator member (2) and a mechanism (4) for managing a duration during which the periodic events are displayed by the periodic events indicator member (2). The management mechanism includes a cam (8) for managing a duration during which the periodic events are displayed, which cam is arranged such that it controls the change from the indication of a periodic event to the indication of a subsequent periodic event by the periodic events indicator member, a periodic driver (10) for driving the management cam (8) and a member (6) disposed between the management cam and the periodic events indicator member and arranged such that it drives the periodic events indicator member (2) during a change in event. The device displays the periods of the zodiac.

A device (1), and timepiece having the device, for displaying a succession of periodic events which form an annual cycle, including a periodic events indicator member (2) and a mechanism (4) for managing a duration during which the periodic events are displayed by the periodic events indicator member (2). The management mechanism includes a cam (8) for managing a duration during which the periodic events are displayed, which cam is arranged such that it controls the change from the indication of a periodic event to the indication of a subsequent periodic event by the periodic events indicator member, a periodic driver (10) for driving the management cam (8) and a member (6) disposed between the management cam and the periodic events indicator member and arranged such that it drives the periodic events indicator member (2) during a change in event. The device displays the periods of the zodiac.

An indicator anti-correction system for a timepiece, the system including a correction mechanism of the indicator and a correction gear configured to mesh with the indicator, the correction mechanism being configured to be connected to a manual correction actuation system and to mesh with the correction gear in a first correction position, the correction mechanism being movably mounted between the first correction position and a second non-correction position, wherein the system further includes a component mounted movable in rotation about an axis, the component having a first end configured to cooperate with at least one protuberance provided on the date indicator or the hour wheel, the component having a second end configured to cooperate with the correction mechanism so as to block the mechanism in an anti-correction position when the first end of the component cooperates with the at least one protuberance.

The invention relates to an indicator device (D) for watchmaking, in which a drive toothed wheel (3) rotates a driven programme wheel (2) which is configured substantially as a circular crown with an external toothing (20) and an internal toothing (21). The latter meshes with an eccentric internal toothed wheel (1), whose cycloidal rotary movement with a suitable transmission ratio, allows the information given on the programme wheel (2) to be indicated. The device is suitable for making perpetual calendars of the clocks.

A device (1), and timepiece having the device, for displaying a succession of periodic events which form an annual cycle, including a periodic events indicator member (2) and a mechanism (4) for managing a duration during which the periodic events are displayed by the periodic events indicator member (2). The management mechanism includes a cam (8) for managing a duration during which the periodic events are displayed, which cam is arranged such that it controls the change from the indication of a periodic event to the indication of a subsequent periodic event by the periodic events indicator member, a periodic driver (10) for driving the management cam (8) and a member (6) disposed between the management cam and the periodic events indicator member and arranged such that it drives the periodic events indicator member (2) during a change in event. The device displays the periods of the zodiac.

An indicator anti-correction system for a timepiece, the system including a correction mechanism of the indicator and a correction gear configured to mesh with the indicator, the correction mechanism being configured to be connected to a manual correction actuation system and to mesh with the correction gear in a first correction position, the correction mechanism being movably mounted between the first correction position and a second non-correction position, wherein the system further includes a component mounted movable in rotation about an axis, the component having a first end configured to cooperate with at least one protuberance provided on the date indicator or the hour wheel, the component having a second end configured to cooperate with the correction mechanism so as to block the mechanism in an anti-correction position when the first end of the component cooperates with the at least one protuberance.

A device (1), and timepiece having the device, for displaying a succession of periodic events which form an annual cycle, including a periodic events indicator member (2) and a mechanism (4) for managing a duration during which the periodic events are displayed by the periodic events indicator member (2). The management mechanism includes a cam (8) for managing a duration during which the periodic events are displayed, which cam is arranged such that it controls the change from the indication of a periodic event to the indication of a subsequent periodic event by the periodic events indicator member, a periodic driver (10) for driving the management cam (8) and a member (6) disposed between the management cam and the periodic events indicator member and arranged such that it drives the periodic events indicator member (2) during a change in event. The device displays the periods of the zodiac.

A calendar mechanism including date-discs, a date program unit, a drive unit that drives the date program unit and a drive member for actuating the drive unit. The date-discs include a first lower units disc and a second upper units disc, and a third lower tens disc and a fourth upper tens disc. The date program unit includes date program wheel sets for actuating the date-discs and arranged to mesh selectively with the date-discs so that the last day of the month is displayed with the third lower tens disc and the first upper units disc, and the first day of the following month is displayed with the fourth upper tens disc and the second upper units disc, the change of date between two consecutive months occurring via a single jump of the fourth upper tens disc and of the second upper units disc, regardless of the month. The mechanism may include a month wheel set and a leap-year adjustment mechanism arranged to cooperate with the drive unit, the drive unit being a month program wheel.

A calendar mechanism including date-discs, a date programme unit, a drive unit that drives the date programme unit and a drive member for actuating the drive unit. The date-discs include a first lower units disc and a second upper units disc, and a third lower tens disc and a fourth upper tens disc. The date programme unit includes date programme wheel sets for actuating the date-discs and arranged to mesh selectively with the date-discs so that the last day of the month is displayed with the third lower tens disc and the first upper units disc, and the first day of the following month is displayed with the fourth upper tens disc and the second upper units disc, the change of date between two consecutive months occurring via a single jump of the fourth upper tens disc and of the second upper units disc, regardless of the month. The mechanism may include a month wheel set and a leap-year adjustment mechanism arranged to cooperate with the drive unit, the drive unit being a month programme wheel.

An indicator device for watchmaking has a drive toothed wheel which rotates a driven programme wheel is substantially a circular crown with an external toothing and an internal toothing. The latter meshes with an eccentric internal toothed wheel whose cycloidal rotary movement with a suitable transmission ratio allows the information given on the programme wheel to be indicated. The device is suitable for making perpetual calendars of the clocks.