A decorative piece including a support made of a material having no plastic deformation in which at least one hollow is arranged. The hollow is filled with a first material forming a substrate in which at least one housing is arranged, the at least one housing configured so that at least one aesthetic element can be housed therein.

A decorative piece includes a support made of a material having no usable plastic deformation in which at least one hollow is arranged. The hollow is filled with a first material forming a substrate in which at least one housing is arranged. The housing is arranged so that at least one aesthetic element is housable therein. The substrate further includes a gripper deforming by thermal expansion to retain the aesthetic element in the housing. The gripper further includes at least one setting element. A method for setting an aesthetic element on a support includes taking a support provided with at least one hollow, taking at least one aesthetic element, filling the hollow with a first material, making a setting hole and a gripper in the first material, and setting the aesthetic element by placing it in the hole and by deforming the gripper so as to retain the aesthetic element.

In order to make a system for fastening gems to a watch dial, the dial is made of an upper plate-shaped element and of a lower plate-shaped element facing each other, the upper plate-shaped element being provided with openings for housing the gems in a visible manner and the lower plate-shaped element being provided with openings at the openings of the upper element and having the same size as these latter. Each of the openings mutually facing by pairs extends across the thickness of the respective plate-shaped element with an own peripheral edge inclined so that each opening narrows, within the section of the respective plate-shaped element, going from the surface of the plate-shaped element facing the other plate-shaped element towards the opposite surface thereof for forming a seat for housing and retaining a gem between the two elements.

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 an applique intended to be affixed to a timepiece dial comprising at least one foot portion having a first end attached to the applique and a second, free end, the foot portion being arranged to be capable of insertion into a hole provided in the dial. Said foot portion comprises at least one aperture opening towards the exterior and forming a housing arranged to receive means for anchoring the foot portion to the dial, once the foot portion is inserted into the hole in the dial.

The invention relates to an applique intended to be affixed to a timepiece dial, comprising at least one foot portion having a first end attached to the applique and a second, free end, the foot portion being arranged to be capable of insertion into a hole provided in the dial. According to the invention, said foot portion comprises, on the side of the free end thereof, a plastically deformable area arranged to form, after deformation, once the foot portion is inserted into the hole in the dial, at least one locking area of the foot portion on the dial.

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.

A method for manufacturing a silicon timepiece component (1) with a functional external profile.