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.

The invention relates to a display system for a timepiece, said system comprising a mobile arranged to be driven by a drive source by means of first teeth provided on the mobile. According to the invention, the mobile comprises at least second teeth including a teeth module of less than 0.05 mm, said second teeth being arranged so as to drive a display member either directly or indirectly.

A timepiece movement includes second, minute, and hour hand wheels with second, minute, and hour hand arbors; a 24-hour hand wheel with a 24-hour hand arbor; and a first to third guides that guide an arbor to which a hand attaches. The minute, hour, and 24-hour hand arbors have tubular configurations and are disposed coaxially to the second hand arbor. The minute hand arbor has a diameter greater than the second hand arbor, the hour hand arbor has a diameter greater than the minute hand arbor, and the 24-hour hand arbor has a diameter greater than the hour hand arbor. The first guide is between the second hand arbor and the minute hand arbor, the second guide is between the minute hand arbor and the hour hand arbor, and the third guide is between the hour hand arbor and the 24-hour hand arbor.

The hairspring (1; 1) has a spring blade (11; 11) and a connecting member (12; 12) for fastening the hairspring (1; 1) to a frame (5, 6, 8), the connecting member including first (13a; 13a) and second (13b; 13b) fastening element, a first arm (121; 121) connecting the first fastening element (13a; 13a) to the second fastening element (13b; 13b), and a second arm (122; 122) connecting the first arm (121; 121) to the spring blade (11; 11), the second arm (122; 122) being connected to the spring blade (11; 11) in a first joining zone (122a; 122a), the hairspring (1; 1) being configured or arranged so that a first displacement of a first amplitude of the first fastening element (13a; 13a) relative to the second fastening element (13b; 13b) does not cause any displacement of the second arm (122; 122), particularly of the first joining zone (122a; 122a), or causes a second displacement of a second amplitude of the second arm (122; 122), particularly of the first joining zone (122a; 122a), relative to the second fastening element (13b; 13b), the second amplitude being less than 0.15 times or 0.1 times or 0.05 times the first amplitude.

A motorization group including power and control devices, and a motor module for watches, with a motor with a coil driving an output wheel set on an output arbor, this motor module includes main mechanical and electrical connectors to a structure or another motor module, and flat links cooperating with another motor module, each coil being electrically connected to two main connectors or to two flat links, more particularly, the flat links of the motor modules are arranged for an electrical connection, a main motor module carrying a main arbor parallel to each output arbor, electrically connected by main connectors or flat links, either to the structure, or to another motor module.

A device for holding a wheel set of a timepiece movement mounted on a main plate includes a lever, intended to be mounted to slide on the main plate of the timepiece movement between a first and a second position and arranged to move in translation between the two positions. The lever includes, at a first end, a locking beak cooperating with a slot of a ring attached to the wheel set to hold and to guide the wheel set in rotation in the first position, and leaving the wheel set free in the second position, the lever being arranged to move in translation, between the retracted position and the deployed position.

A device for holding a wheel set of a timepiece movement mounted on a main plate includes a lever, intended to be mounted to slide on the main plate of the timepiece movement between a first and a second position and arranged to move in translation between the two positions. The lever includes, at a first end, a locking beak cooperating with a slot of a ring attached to the wheel set to hold and to guide the wheel set in rotation in the first position, and leaving the wheel set free in the second position, the lever being arranged to move in translation, between the retracted position and the deployed position.

A variation reduction mechanism of a stop position of a pointer includes a return gear that is driven in conjunction with a time display mechanism, a slip torque spring (friction member) that contacts the return gear to apply a friction force to the return gear to be driven, and a return spring (return spring member) that applies, to the slip torque spring, a torque of the return gear in a direction (dashed line arrowR direction) opposite to a normal hand movement direction (arrow R direction).

A variation reduction mechanism of a stop position of a pointer includes a return gear that is driven in conjunction with a time display mechanism, a slip torque spring (friction member) that contacts the return gear to apply a friction force to the return gear to be driven, and a return spring (return spring member) that applies, to the slip torque spring, a torque of the return gear in a direction (dashed line arrowR direction) opposite to a normal hand movement direction (arrow R direction).

A pointer device including a rotation body, a pointer shaft provided on the rotation body, a base member which rotatably supports the pointer shaft, and a spiral spring which has a substantially truncated conical shape and is arranged between the rotation body and the base member.