The display device is arranged in a timepiece which includes a counting wheel and a manual control mechanism which is arranged to permit cyclical starting, stopping and resetting of the counting wheel. The display device includes an indicating member, a unit for moving the indicating member into a first predefined position when the counting wheel is being reset, a unit for moving the indicating member into a second predefined position, different from the first predefined position, when the counting wheel is being started, and a unit for permitting the indicating member to be moved into a reading position following stopping of the counting wheel, the reading position being determined by the position of the counting wheel.

The display device is arranged in a timepiece which includes a counting wheel and a manual control mechanism which is arranged to permit cyclical starting, stopping and resetting of the counting wheel. The display device includes an indicating member, a unit for moving the indicating member into a first predefined position when the counting wheel is being reset, a unit for moving the indicating member into a second predefined position, different from the first predefined position, when the counting wheel is being started, and a unit for permitting the indicating member to be moved into a reading position following stopping of the counting wheel, the reading position being determined by the position of the counting wheel.

A system (1) for resetting a chronograph is provided with a chronograph counting geartrain (2), which includes a minute counter having a minute wheel set (4), and a seconds counter, which includes a chronograph wheel set (3). The system includes a hammer held blocked by a blocking means (11) and displaceable from an inactive position, where the hammer is blocked by the blocking means, and an active position, when the hammer is unblocked, for resetting the chronograph in contact with the various wheel sets (3, 4); a flexible element (10) connected between a reset control means (12) and the hammer for resetting the chronograph, and configured to store energy during a displacement of the control means and before unblocking the hammer blocked by the blocking means to be able, when the hammer is unblocked, to restore this stored energy and drive the hammer to reset the chronograph.

The display device is arranged in a timepiece which includes a counting wheel and a manual control mechanism which is arranged to permit cyclical starting, stopping and resetting of the counting wheel. The display device includes an indicating member, a unit for moving the indicating member into a first predefined position when the counting wheel is being reset, a unit for moving the indicating member into a second predefined position, different from the first predefined position, when the counting wheel is being started, and a unit for permitting the indicating member to be moved into a reading position following stopping of the counting wheel, the reading position being determined by the position of the counting wheel.

A safety device for a striking-work including a first wheel, a second wheel and an actuating member. The first wheel is meshed which drives it in rotation about a shaft and it includes an abutment member. The second wheel is also in rotation about the shaft and is in contact with the abutment member. The second wheel includes a portion configured for an actuating member to act on the intermediate portion so as to move the second wheel.

A vertical clutch device for a timepiece includes along a vertical axis a first wheel rotatably mounted about the vertical axis, a clutch disc, a spring, and a second wheel rotatably mounted about the vertical axis. The vertical clutch device is able to assume a clutched position where the second wheel is rotated by the first wheel under the action of the spring exerting a vertical force Fe to press the clutch disc against the first wheel and a disengaged position where the clutch disc is subjected against the action of the spring to a vertical force Fd separating it from the first wheel so that the second wheel is not rotated by the first wheel. The spring of the vertical clutch device is made of a shape memory alloy.

A moon phase display mechanism driven by a horological movement, this moon phase display mechanism including a transparent support provided with an upper face and a lower face which extends at a distance from the upper face, a representation of the Moon being transferred, for example by printing or by engraving, to one of the upper or lower faces of this transparent support, a substrate being disposed under the transparent support, at a distance therefrom, the moon phase display mechanism also including a shutter which is driven by drive means moved by the horological movement and which is arranged so as to displace between the transparent support and the substrate, the shutter and the substrate having display contrasts which are inverted relative to each other.

A control crown for a timepiece, capable of cooperating, in order to maneuver a control rod, with a middle including a recess along an axis receiving a tube included in the crown, which includes a crown body capable of rotating covering both the rod and the tube, which includes a hollow to allow the rod to pass and/or be guided in rotation, the crown includes a closing cap fastened to the tube in a fixed angular position relative to the middle by the cooperation between indexing device of the tube and complementary indexing device of the closing cap, to axially enclose the crown body between the middle and the closing cap.

A mechanism for stopping (100) or releasing a regulating or chronograph mechanism wheel (1) in rotation about a main axis (D), including a control organ (210) operable by a user and linked with a stopping lever (2) including a support surface (20) arranged to cooperate with a complementary support surface (11) of the wheel (1), and movable between a working position where any support surface (20) is distant from the complementary support surface (11), and a stopping position where a support surface (20) is bearing thereon. Also, a timepiece (1000) including regulating or chronograph mechanism including such a stopping mechanism (100).

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).