A sympathetic timepiece assembly (1000), which includes a clock (100) and at least one watch (200) arranged to be deposited in a receptacle 150 included in the clock, in a single transfer position, this sympathetic assembly (1000) including a connection mechanism between the clock (100) and each watch (200) when the watch (200) is deposited in the receptacle 150 in the transfer position, this connection mechanism includes at least two separate transmission lines, one for transferring power or movement, and the other for selecting a function to be performed or a display variable to be adjusted.

The invention relates to a marine chronometer comprising a clock mounted on a support, for example mounted so that it can be inclined with respect to the support by means of a gimbal mounting, the clock comprising, inside a case, a mechanical clock movement driven by a barrel, the clock also comprising a rewinding control member engaged with a rewinding geartrain for rewinding the barrel.

The chronometer according to the invention is wherein the rewinding control member comprises a rewinding control geartrain positioned on the outside of the clock, secured to a spindle passing through a wall of the case via a bearing, the said through-spindle being engaged with the barrel rewinding geartrain.

An accessory (100) for an automatic watch (200) is provided. The accessory comprises a watch holder (120) carried by a first gimbal (130) in a manner to be rotatable about a first rotational axis A-A. The watch holder (120) is further rotatable about a second rotational axis B-B and rotation about the first rotational axis A-A and the second rotational axis B-B is caused by a first actuator (132) and a second actuator (122), respectively.

Winding device (1000) including motorisation means (2) driving a watch holder (1) carrying at least one automatic watch (100) with a movable oscillating mass, and measuring means (3) measuring the amplitude of the resonator of each watch (100), and watch (100) identification means (300), providing the identification of a particular watch (100) to control means (200) including an internal database (400) with the history of the amplitude measurements of the resonator of this particular watch (100) and/or the value of its nominal amplitude, and/or communication means (500) communicating with an external database (600) for extracting these values.

The invention relates to a mechanism for winding a timepiece comprising at least first and second energy accumulators, said winding mechanism comprising a winding stem, a winding pinion and a sliding pinion having face gear toothings, arranged to allow the winding pinion to be driven by the sliding pinion in both directions of rotation of the winding stem, the winding stem and the sliding pinion occupying the same axial winding position. Said winding stem is housed inside a bottom plate so that the winding pinion is operational on either side of the winding stem with respect to the bottom plate and the winding mechanism comprises first and second coupling/uncoupling devices arranged on either side of the winding stem with respect to the bottom plate, cooperating with the winding pinion and arranged so that one of said first and second coupling/uncoupling devices occupies a coupling position for coupling the winding pinion and the first energy accumulator, while the other of the first and second coupling/uncoupling devices occupies an uncoupling position for uncoupling the second energy accumulator when the winding stem is rotated in one direction, and occupies an uncoupling position for uncoupling the first energy accumulator, while the other of the first and second coupling/uncoupling devices occupies a coupling position for coupling the winding pinion and the second energy accumulator when the winding stem is rotated in the other direction.

The invention relates to a winding mechanism of a timepiece comprising at least one first and one second power accumulators, said winding mechanism comprising a winding stem, a winding pinion and a sliding pinion having face gear toothings, facing one another, provided in order to allow driving of the winding pinion by the sliding pinion in the two directions of rotation of the winding stem, said winding stem and the sliding pinion occupying the same axial winding position. The winding mechanism comprises a coupling device which cooperates with the winding pinion and is provided in order to occupy a first coupling position for coupling the winding pinion and the first power accumulator when the winding stem is turned in one direction, the second power accumulator being uncoupled, without any contact with said coupling device, and a second coupling position for coupling the winding pinion and the second power accumulator when the winding stem is turned in the other direction, the first power accumulator being uncoupled, without any contact with said coupling device.

Watch winding device, with a motor driving a winding operation, means for acoustic measurement of the oscillator of a watch in the winding position, control means analysing the signals transmitted by the measuring means and comparing them to desired values that can be parameterized to regulate the operation of the motor by starting this motor when the operating amplitude of the oscillator is less than a minimum value, and by stopping this motor when the working amplitude is higher than a maximum value, these acoustic measuring means are fixed in a base behind an sensing opening of the acoustic sensor means, the device includes an acoustic duct which places a receiving port, located inside a chamber for housing a watch, in communication with a transmitting port movable by the motor facing this sensing opening.

A marine chronometer including a watch tiltably mounted on a support with a gimbal suspension, the chronometer support also includes a cradle movable in translation between a rest position wherein the watch is free to move on the gimbal suspension, and a holding position wherein the watch is resting on the cradle.

A component of a winding device, in particular an automatic winding device, of a timepiece movement, wherein it is made of austenitic stainless steel and wherein it comprises at least one friction surface hardened by carbon or nitrogen type atoms introduced into the austenitic stainless steel over a predetermined depth.

An apparatus (10) for winding a horological movement of a watch (20), including an electronic module (13) configured to control a motor (14) kinematically connected to a drive member intended to rotate a winding member of the watch (20). The apparatus (10) includes a support (11) for the watch (20) formed by a body having a central element (110) and at least one side element (111) arranged at a distance from each other so as to form a recess (118) intended to receive a strand (21) of a bracelet of the watch (20), the central element (110) and the side element (111) being adapted to apply opposing forces to the strand (21) so as to ensure that it is held in the recess (118).