Timepiece component provided with a cap

A timepiece component, comprising:

• a first part, and
• a removable cap,
• the timepiece component being able to adopt a fastening configuration in which the removable cap is fastened to the first part, and a free configuration in which the cap is separated from the first part,
• the first part comprising at least two latching members that are intended to cooperate with respectively at least two corresponding assembly members of the cap in the fastening configuration, and
• wherein the cap, the first part, or both cap and the lust part is or are elastically deformable from a rest position to a deformed position,
• so that the deformed position of the cap, the first part, or of both the cap and the first part is suitable for positioning and removing respectively the can from the first part, the first part from the cap, or both the cap and the first part from one another, for passing from the fastening configuration to the free configuration of the timepiece component and vice versa, and
• so that the rest position makes it possible to stably maintain the fastening configuration of the timepiece component in which the at least two assembly members of the cap are in engagement with the at least two latching members of the first part.