Elastic securing organ for fastening a horological component on a support element

An elastic securing organ for fastening a horological component on a support element comprising an outer peripheral wall capable of being connected to said horological component and an inner peripheral wall defining a triangular-shaped opening wherein the support element is capable of being inserted, said elastic securing organ comprising elastic arms each forming one side of the triangular opening and helping ensure the gripping of the support element in the opening, each arm comprising:

• at least one cut-out defined completely or partially along the body of said arm,
• an elastic contact zone capable of cooperating with said support element particularly to ensure the gripping thereof in the opening, and
• elastic peripheral zones which extend between this contact zone and the ends of this elastic arm,
• the contact zone having a greater quantity of material than the quantity of material forming each of the peripheral zones thereof.