Abstract: A case (2) for a wristwatch (1) including: a middle part (4) including a wall (10) having two attachment areas (12) of the bracelet (24) disposed on either side of a plane (P) transverse to the middle part (4) substantially perpendicular to a back (20) of the case (2); two horns (6) capable of ensuring the complete attachment of the bracelet (24) to the middle part (4) by being connected to different ends of this bracelet (4), said horns (6) being removably and slidably attached to said attachment areas (12), and the back (20) attached to a mounting area (21) of the case (2) participating in blocking the horns (6) in translation in a direction of sliding (D) on the middle part (4) parallel to a central axis (A) of the case (2).

Abstract: Timepiece (1) comprising at least one mechanical movement (10) including at least a main plate (2), a resonator (11) and energy storage and distribution means (3) connected to an escape wheel set (4) by a going train (5), wherein at least one of the wheel sets, comprised in the going train (5) or an escapement mechanism (6) to which the escape wheel set (4) belongs, and which cooperates with the resonator (11), and which moves in a jerky or reciprocating motion during operation of the resonator (11), is a display wheel set (7) which includes at least two distinct pictures or patterns (8), which are arranged to move in succession before a fixed point of the main plate (2), during operation of the resonator (11), and to display thereon a sequence of animated images.

Abstract: A system for adjusting an illumination function of a watch including an external timepiece element with an autonomous lighting device, the system including a portable electronic device with a communication unit and a controller to control this communication unit, the lighting device being formed by an assembly of stacked layers connected together and each including one or more of the following functional elements: a light source for generating light in a visible face of the body of the at least one external timepiece element; a self-contained power supply unit; a communication module; and a control unit to control the switching on or off of the light source and to control the communication module, the external timepiece element and the device to be connected to each other to adjust the illumination of the external timepiece element.

Abstract: A timepiece including at least one timepiece external element including a visible face formed by a transparent or translucent body including an autonomous lighting device, the timepiece external element being formed by an assembly of a plurality of stacked layers connected together, each including one or more of the following functional elements of the lighting device: at least one light source capable of generating light in the visible face of the timepiece external element; a self-contained power supply unit; and a control unit configured to manage the operation of the light source; the at least one light source being configured to produce localised light on a point or quasi-point area of the visible face of the timepiece external element, so as to produce localised illumination on the timepiece external element.

Abstract: A dial for a watch including an autonomous lighting device including the following functional elements: at least one luminous source, an autonomous power supply unit, and a control unit for managing the operation of the at least one luminous source, the dial being formed by an assembly of a plurality of stacked layers connected together and each including one or more functional elements of the autonomous lighting device.

Abstract: An attachment part for attaching a free end of an outer last coil of a balance spring of a horological movement, this balance spring taking the form of a ribbon wound in coils and being delimited by first and second faces which extend parallel to and at a distance from one another, the attachment part including elastically deformable clamping means which are arranged to be brought into contact with the free end of the outer last coil of the balance spring in order to exert a resilient clamping force on this free end so as to guarantee the immobilisation thereof, this resilient clamping force being exerted along at least a first line of contact (A; B) on the first face of the balance spring and along a contact surface (S) on the second face.

Abstract: A timepiece including at least one external timepiece element including a visible face formed of at least a first opaque part and at least a second transparent or translucent part, the at least one external timepiece element including an autonomous lighting device including the following functional elements: at least one light source capable of generating a light in the visible face of the external timepiece element; a self-contained power supply unit; and a control unit configured to manage the operation of the light source; the at least one external timepiece element being formed by an assembly of a plurality of stacked layers connected together and each including one or more functional elements of the autonomous lighting device.

Abstract: A bracelet clasp of the folding clasp type including a base element (10) whose first and second long sides are formed respectively of first (1) and second (2) spars, at least one leaflet (3, 4) which is pivotable and articulated on the first and/or the second short side of the base element (10), and at least one cover (5, 6) pivoting and articulated on the at least one leaflet (3, 4). The base element (10) includes first (11) and second (12) openings joined to the first (1) and second (2) spars so that they constitute the flexible member, a pressure exerted simultaneously on each of the spars (1, 2) in a direction transverse to the clasp leading to an elastic deformation of the spars (1, 2) and to the unbolting of the at least one cover (5, 6) of the base element (10) to allow the wearer to open the clasp.

Abstract: A watch including a dial including a fixed portion superimposed on a portion movable in rotation including a surface on which are arranged areas with visual appearances different from each other, the fixed portion including at least one through opening emerging on at least one of the areas, the movable portion being kinematically connected to a control member so as to be rotated by actuating the control member and being configured so that when it is rotated, the areas of different visual appearance appear successively through the opening.

Abstract: One aspect of the invention relates to a device (100) for maintaining or limiting the shake, in at least one direction, of a timepiece component (30), said device comprising a stationary structure (20) arranged to abuttingly receive at least one surface of said component (30), and a rotary bolt (10), cooperating with said stationary structure (20), the rotary bolt (10) being rotatable about an axial direction (A) between a first angular position, referred to as the unlocking position, allowing said component (30) freedom of movement and a second angular position, referred to as the locking position, limiting the travel of said component (30) relative to the stationary structure (20) in said at least one direction, characterised in that said second angular position, referred to as the locking position, of the rotary bolt (10) is secured by resilient return means (3).

Abstract: A resilient casing ring (200) for casing a horological movement (10) inside a watch case (100) including a middle (110). The casing ring (200) includes an annular body (205) with a central axis (Z), and fastening tabs (210) carried by the annular body (205) and cooperating with the middle (110) to form a bayonet casing system (300) by rotation of the resilient casing ring (200) relative to the middle (110) about the central axis (Z), between an insertion position and a locked position. The casing ring (200) includes resilient retaining element cooperating with the horological movement (10) and exerting an axial force parallel to the central axis (Z) on the horological movement (10) by elastic deformation of the resilient retaining element when the resilient casing ring (200) is in the locked position in the middle (110).

Abstract: A watch (50) including an electromechanical movement provided with a stepper motor (2) and a control circuit (20) of the motor, and means for contactless communication with an external communication device (100), including an antenna formed by the coil (18) of the motor and arranged to receive an amplitude-modulated magnetic signal according to the encoded data. The communication means are arranged to generate electrical detection pulses supplied to the coil of the motor with a pulse frequency corresponding to an encoding frequency of the magnetic signal.

Abstract: A smart watch (1) including a case (100) having a middle (110), a horological movement (10) housed in the middle (110) and having a processing unit (13) and a communication module (12) electrically connected to electrical conductors (18) in the horological movement (10). The smart watch (1) also includes a common-ground device formed by a conductive resilient ring (200) having an annular body (205) with a central axis (Z), fastening tabs (210) carried by the annular body (205) and cooperating with the middle (110) to form a bayonet locking system (300) by the rotation of the conductive resilient ring (200) relative to the middle (110), about the central axis (Z), between an insertion position and a locked position. The conductive resilient ring (200) includes conductive lugs (250) in electrical contact with the electrical conductors (18) when the conductive resilient ring (200) is in the locked position in the middle (110).

Abstract: A fitting (20) for holding a flat component (1), including radial support stops (2; 3), and a chamber (40) bordered by jaws (21; 22) including clamping surfaces (310; 320) for holding the component (1), open on one side by a recess (41; 42) to perform an operation on the component (1), this fitting (20) is deformable between an open position and a closed position around the component (1) tightened by said jaws (21; 22) subjected to a closing force exerted by manoeuvring means arranged to bring these jaws (21; 22) closer to each other.

Abstract: A control module (10) of an electronic appliance including a push-piece (11) including a striker element (111), and a switch (12) adapted to occupy a connected state and an idle state. The striker element (111) is configured to drive the switch (12) into the connected state or into the idle state when the push-piece (11) is acted on. A shock absorber (116) is provided to absorb, by deforming elastically, a part of the forces involved when the striker element (111) drives the switch (12) into the connected state or into the idle state, at least when said forces are above a predetermined threshold.

Abstract: A control module (10) for an electronic device including a push-button (11) including a striker element (111), a switch (12) adapted to occupy a connected state and a rest state, said striker element (111) being configured to drive the switch (12) into one or the other of the connected and rest states, the control module further comprising a stop member (13) against which the striker element (111) comes to bear when it drives the switch (12) into the connected state or into the rest state.

Abstract: A timepiece escapement mechanism, including a lever and an escapement wheel, the lever being arranged to cooperate with an inertial mass of a mechanical oscillator, and, at pallets carried by or included in the lever, with teeth of the escapement wheel, where the contact between a pallet and an escapement tooth includes at least three zones, a rest zone where the torque is of negative direction, where the angle between the normal to the contact and the radial of the lever is negative, a first zone corresponding to the first half angle of lift where the torque is of positive direction, where the angle ?1 is positive, and a second zone corresponding to the second half angle of lift where the torque is of positive direction, where the angle ?2 is positive.

Abstract: A control circuit of a timepiece motor (2), including a bipolar permanent magnet (6), a stator (4) defining two isthmi (12a & 12b) and two rest positions for the rotor, and a coil (18) mounted on the stator. The control circuit can determine the position of the rotor at rest. An electric pulse generator (22) for detecting an external magnetic field formed by a circuits for: measuring the electrical current in the coil after an electrical pulse has been triggered, comparing the measured electrical current with a reference current, measuring the time allowing measuring a rise time between triggering of the electrical pulse and the next time the electrical current flowing in the coil reaches the reference current, and processing the rise time to be able to determine whether the measured rise time indicates the presence of a given external magnetic field passing through the two isthmi.

Abstract: A horological movement including a setting stem, a movement winding mechanism, a date display mechanism, a time display mechanism, and a first lever carrying a drive wheel capable of being kinematically connected to the setting stem, and carrying at least one hand-setting wheel to cooperate with the time display mechanism and capable of being kinematically connected to the drive wheel, and a second lever carrying a date correction mechanism capable of being kinematically connected to the drive wheel as well as to the date display mechanism, the second lever being pivotably mounted on the first lever and arranged to move between a meshed position in which the date correction mechanism cooperates with the date display mechanism and a retracted position in which the date correction mechanism is disconnected from the date display mechanism, and the setting stem and the first lever and second lever are arranged to occupy three positions.

Abstract: An assembly (1) for attaching a free end (8) of an outer last coil (10) of a balance spring (12) for a horological movement, this attachment assembly (1) including a stud (2) and a blocking element (14), the stud (2) being provided with a groove (6) in which the free end (8) of the outer last coil (10) of the balance spring (12) is engaged, the blocking element (14) also being engaged in the groove (6), in contact with the outer last coil (10) of the balance spring (12), the attachment assembly (1) further including a clamping member (16) which presses the blocking element (14) against the free end (8) of the outer last coil (10) of the balance spring (12), such that the free end (8) of the outer last coil (10) of the balance spring (12) is immobilised in the groove (6) of the stud (2).