Abstract: The movement transmission system (90), notably for a timepiece calendar system (200), includes a driving mobile (4) pivoted about a first axis (A4) and has a driving toothset (42) distributed over a curved profile (43); a driven mobile (7) pivoted about a second axis (A7) and having a driven toothset (72); an intermediate pinion (8) pivoted about a third axis (A8) and having a toothset (81) driven by the driving toothset (42) and driving the driven toothset (72); the toothset (42), the curved profile (43), the driven toothset (72) and the toothset (81) being arranged at a same level or in a same plane, and the driving mobile (4), the driven mobile (7) and the intermediate pinion (8) being arranged so that the driving mobile (4) moves the driven mobile (7) via the intermediate pinion (8) through 1/m steps for at least some steps of the driving mobile (4), m being a real number greater than 1, and so that the driving mobile (4) can define an angular position, with minimum play, of the driven mobile (7) via the

Abstract: Drive device (100), notably for a horology calendar system (200), the drive device including a drive mobile (10) for driving an element (4) that is to be driven, notably a calendar element, the drive mobile being intended to be mounted so that it can rotate about an axis (A1) and including (a) a support (11); (b) a first flank (f11) for driving the element that is to be driven; and (c) a second flank (f12?) arranged in such a way as to receive an action to retract the drive mobile, notably extending orthoradially or substantially orthoradially with respect to the axis (A1); the mobile comprising a slide link (111, 121; 11, 120; 110, 120?) connecting the second flank to the support.

Abstract: A device (200; 200?) for selecting timepiece functions, comprising: a frame (100; 100?), an interface element (1), in particular a control stem (1), and a setting lever device (150; 150?), the setting lever device (150; 150?) being arranged so as to define: n stable positions of the interface element (1), where n?3, and m selection configurations of the selection device (200; 200?), where m?n+1.

Abstract: A timepiece mechanism (800; 800?) for correcting a timepiece function, comprising a first lever (14) comprising a first cam desmodromic connecting element (14a), a correcting mobile (404), and a second lever (402), the second lever (402) including at least one first element (402d) for guiding the correcting mobile (404), at least one first friction element (402b) in contact with the correcting mobile (404), and a second cam desmodromic connecting clement (402a) provided to cooperate by contact with the first cam desmodromic connecting element (14a).

Abstract: A device (200; 200?) for selecting timepiece functions, including a setting lever device (150; 150?), and a frame (100; 100?), the setting level device (150, 150?) including a selling level (2; 2?) mounted movably on the frame (100; 100?) and a lever (3; 3?) mounted movably on the frame (100, 100?) or on the setting lever (2; 2?), the selection device (200; 200?) also including a first position indexing device (4; 4?) arranged so as to act on the setting lever (2; 2), and a second position indexing device (5; 5?) arranged so as to act on the lever (3; 3?).

Abstract: A system (1) for a watch calendar includes: a first wheel (3); a first finger (5b) for driving the first wheel; a tooth (31b) for driving the first wheel, the tooth being movably mounted on the first wheel (3) between a retracted position and a driving position; and a desmodromic system (2, 4) having a cam (2) and a cam follower (4), the desmodromic system being arranged in such a way that at least a first position of the cam defines a first position of the follower permitting the retraction of the tooth, and that at least a second position of the cam defines a second position of the follower preventing the retraction of the tooth.

Abstract: A clockwork module (100) including (i) a mobile part (11) including a first functional part and a second functional part (11a, 11b) and an arbor (15), (ii) a spring (13), (iii) a casing (14) including a housing (140), (iv) a first guide surface (14a, 140a) in the housing (140), (v) a first stop (140b) in the housing, (vi) a second stop (16b) arranged on the mobile part (11), the arbor (15) being guided by the first guide surface, the spring being arranged in the housing between the first and second stops.

Abstract: Device (400) for selecting a clock function from a rewinding function and m correction functions, m>1, comprising a control member (3), notably a staff, able to select the rewind function by movement of the control member in a first direction and to select sequentially one function from m correction functions by movement of the control member in a second direction.

Abstract: Device (400) for selecting a clock function from a rewinding function and m correction functions, m>1, comprising a control member (3), notably a staff, able to select the rewind function by movement of the control member in a first direction and to select sequentially one function from m correction functions by movement of the control member in a second direction.

Abstract: System (1) for a watch calendar, the system comprising a first wheel (3); a first finger (5b) for driving the first wheel; a tooth (31b) for driving the first wheel, the tooth being movably mounted on the first wheel (3) between a retracted position and a driving position; and a desmodromic system (2, 4) comprising a cam (2) and a cam follower (4), the desmodromic system being arranged in such a way that at least a first position of the cam defines a first position of the follower permitting the retraction of the tooth, and that at least a second position of the cam defines a second position of the follower preventing the retraction of the tooth.

Abstract: A horology calendar system (200) including:—a date wheel (1);—a month cam (300); and—a kinematic connection element (8) arranged so that the date wheel allows the driving of the motion of the month cam. Optionally, the kinematic connection element is arranged so as to allow the driving of the month cam by at most 1/n of a step while the date wheel is driven by one step, where n is a natural integer greater than 1.

Abstract: Watch mechanism (100) including an element for the display of time, first and second elements (Q, PDL) for the display of first and second pieces of watch information derived from time, the mechanism including: —a first kinematic chain (CC1) for the simultaneous correction of time display, and the display of the first and second pieces of watch information; —a second kinematic chain (CC2) for the correction of the time display independently of the display of the second piece of watch information, and —a third kinematic chain (CC3) for the correction of the display of the second piece of watch information independently of the time display and the display of the first piece of watch information. The third chain includes an epicyclic gear train (TE) connected kinematically to the element (H) for the time display by a notched wheel (MC) included in the first and second kinematic chains.

Abstract: Drive device (100), notably for a horology calendar system (200), the drive device comprising a drive mobile (10) for driving an element (4) that is to be driven, notably a calendar element, the drive mobile being intended to be mounted so that it can rotate about an axis (A1) and comprising (a) a support (11); (b) a first flank (f11) for driving the element that is to be driven; and (c) a second flank (f12?) arranged in such a way as to receive an action to retract the drive mobile, notably extending orthoradially or substantially orthoradially with respect to the axis (A1); the mobile comprising a slide link (111, 121; 11, 120; 110, 120?) connecting the second flank to the support.

Abstract: A horology calendar system (100; 200) comprising: —a date display member (10) including an opening (10a); and —a month display member (30) arranged in such a way as to display an indication of the month in the opening (10a), notably when the opening (10a) is visible to a user of the calendar system and/or when the calendar system is indicating the first day of a given month.

Abstract: Watch mechanism (100) comprising an element for the display of time, first and second elements (Q, PDL) for the display of first and second pieces of watch information derived from time, the mechanism comprising: —a first kinematic chain (CC1) for the simultaneous correction of time display, and the display of the first and second pieces of watch information; —a second kinematic chain (CC2) for the correction of the time display independently of the display of the second piece of watch information, and —a third kinematic chain (CC3) for the correction of the display of the second piece of watch information independently of the time display and the display of the first piece of watch information, the third chain comprising an the epicyclic gear train (TE) connected kinematically to the element (H) for the time display by a notched wheel (MC) comprised in the first and second kinematic chains.

Abstract: Device (400) for selecting a clock function from a rewinding function and m correction functions, m>1, comprising a control member (3), notably a staff, able to select the rewind function by movement of the control member in a first direction and to select sequentially one function from m correction functions by movement of the control member in a second direction.

Abstract: A clockwork module (100) including: including (i) a mobile part (11) including a first functional part and a second functional part (11a, 11b) and an arbor (15), (ii) a spring (13), (iii) a casing (14) including a housing (140), (iv) a first guide surface (14a, 140a) in the housing (140), (v) a first stop (140b) in the housing, (vi) a second stop (16b) arranged on the mobile part (11), the arbor (15) being guided by the first guide surface, the spring being arranged in the housing between the first and second stops.

Abstract: A horology calendar system (200) comprising:—a date wheel (1);—a month cam (300); and—a kinematic connection element (8) arranged such that the date wheel allows the driving of the motion of the month cam.

Abstract: A horology calendar system (100; 200) comprising: —a date display member (10) including an opening (10a); and —a month display member (30) arranged in such a way as to display an indication of the month in the opening (10a), notably when the opening (10a) is visible to a user of the calendar system and/or when the calendar system is indicating the first day of a given month.

Abstract: Device (300; 200) for displaying the time, comprising a time-display member (A1, A2) and a switchover mechanism (100) allowing the time-display member to switch between a first time zone and a second time zone. This switchover mechanism comprises: a first heart piece (3) capable of rotating; a first lever (1) having a first end (1a) designed to collaborate with the first heart piece (3) with a view to causing the display member (A1, A2) to indicate the time in the first time zone; a second lever (2; 42) designed to cause the display member (A1, A2) to indicate the time of the second time zone; a two-position selector member (5) collaborating with the first lever (1), and a control member (P) allowing selection of the first or the second time zone for display. The two-position selector member (5) is designed to collaborate directly with a second end (1b) of the first lever (1).