A horology movement fitted with an indicator and comprising a mechanism for driving this indicator in a first direction of movement provided for the indicator, the drive being in jumps in the first direction, which corresponds to the direction of movement of the indicator when the horology movement is functioning normally,
- the mechanism comprising a wheel plate defining an axis of rotation, a rigid part arranged above the wheel plate and forming a drive finger configured to drive the indicator, and a spring comprising a coil having a first end, rotationally attached to the wheel plate, and a second end rotationally attached to the rigid part at least when the spring is being loaded prior to a jump of the indicator in said first direction and then when the indicator is being driven by the drive finger to execute this jump, the rigid part being rotationally mobile relative to the wheel plate and rotationally guided around said axis of rotation by an arbor aligned with this axis of rotation and running through an opening in the rigid part, and that enables the drive finger to be retracted towards the axis of rotation under the action of a radial component of a force that can be exerted on this drive finger;
- wherein the mechanism is arranged so as to be able to drive the indicator, with the drive finger, in said first direction and in a second direction, opposite to the first direction, of movement of the indicator when the wheel plate turns respectively in a first direction of rotation and a second direction of rotation opposite to the first direction of rotation;
- wherein the mechanism is arranged such that the spring contracts each time it is loaded in order to then cause the indicator to jump in said first direction;
- and wherein the mechanism comprises a first stop rotationally attached to the wheel plate and a second stop rotationally attached to the rigid part at least each time the indicator is driven by the drive finger in said second direction,
- the mechanism being arranged such that the first stop causes the second stop to rotate each time the indicator is driven in said second direction by the drive finger, the first stop and the second stop thus limiting or preventing expansion of the spring and having an initial angular distance (θ) when the drive finger is not in contact with the indicator, this initial angular distance being less than half of a normal angular displacement (α) of the second stop relative to the first stop when the spring contracts as it is being loaded in order to drive the indicator in said first direction.