A cam-type timepiece component (1), which has at least one portion of substantially planar shape, having a material hardness greater than or equal to 600 hv, this portion having a thickness greater than or equal to 350 microns, or even greater than or equal to 400 microns, and comprising at least one functional flank (3) which is substantially perpendicular to a main surface (2) of this portion and has a roughness ra of less than or equal to 50 nm.

The invention relates to a method for bonding timepiece components, comprising applying an adhesive to a first and/or second timepiece component to be bonded to one another, and depositing an adhesion layer onto at least one of the first and second components to be bonded by spraying a primer composition in a localised joining area followed by the solidification of the primer composition. The adhesion layer is deposited prior to the application of the adhesive if the adhesive is applied to the one or more same components as the adhesion layer.

The cam-type timepiece component (1) has at least one portion of substantially planar shape, having a material hardness greater than or equal to 600 HV, the portion having a thickness greater than or equal to 200 microns, or even greater than or equal to 350 microns, or even greater than or equal to 400 microns, and at least one functional flank (3) which is substantially perpendicular to a main surface (2) of the portion and has a roughness Ra of less than or equal to 50 nm.

The invention relates to a method for bonding timepiece components, comprising applying an adhesive to a first and/or second timepiece component to be bonded to one another, and depositing an adhesion layer onto at least one of the first and second components to be bonded by spraying a primer composition in a localised joining area followed by the solidification of the primer composition. The adhesion layer is deposited prior to the application of the adhesive if the adhesive is applied to the one or more same components as the adhesion layer.

The invention relates to a method for bonding timepiece components, comprising applying an adhesive to a first and/or second timepiece component to be bonded to one another, and depositing an adhesion layer onto at least one of the first and second components to be bonded by spraying a primer composition in a localised joining area followed by the solidification of the primer composition. The adhesion layer is deposited prior to the application of the adhesive if the adhesive is applied to the one or more same components as the adhesion layer.