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.

A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, the display unit configured to display an image, and the display unit includes pixels.

A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, the display unit configured to display an image, and the display unit includes pixels.

A miniature, self-powered, user-powered lighting device, employing mechanical energy storage and incorporating miniature lighting elements which are illuminated on-demand for a limited duration for backlighting or illumination purposes without the need for a battery or other electro-chemical storage device. The device comprising a manual spring loading mechanism, a spiral spring, a manual trigger mechanism, a transmission for increasing the rotational speed, a miniature generator, and at least one light source.

A miniature, self-powered, user-powered lighting device, employing mechanical energy storage and incorporating miniature lighting elements which are illuminated on-demand for a limited duration for backlighting or illumination purposes without the need for a battery or other electro-chemical storage device. The device comprising a manual spring loading mechanism, a spiral spring, a manual trigger mechanism, a transmission for increasing the rotational speed, a miniature generator, and at least one light source.

An exterior sub-assembly for a timepiece or watch or piece of jewelry, including a first component and a second component, arranged for a bayonet mount between two rims and two wings comprised in the first component and the second component, and capable of occupying an assembled and indexed position of the first and second components, this sub-assembly including a third ring-shaped component inserted between the first and second components, fixed in rotation with respect to one of these components and including an elastically deformable area, opposing a variable resistance torque to any relative tangential torque between the first and second components, and including a catch cooperating with a relief portion of the component that is not connected to the third component, wherein one particular catch angularly indexes these first and second components.

An exterior sub-assembly for a timepiece or watch or piece of jewelry, including a first component and a second component, arranged for a bayonet mount between two rims and two wings comprised in the first component and the second component, and capable of occupying an assembled and indexed position of the first and second components, this sub-assembly including a third ring-shaped component inserted between the first and second components, fixed in rotation with respect to one of these components and including an elastically deformable area, opposing a variable resistance torque to any relative tangential torque between the first and second components, and including a catch cooperating with a relief portion of the component that is not connected to the third component, wherein one particular catch angularly indexes these first and second components.

A timepiece including a dial defining an XY plane, an automaton disposed above the dial, the automaton having at least one first member and one second member, which are articulated in order to reproduce beating movements, and a driving mechanism of the automaton. The first member is provided in order to pivot about a first axis which is non-parallel to the XY plane and the second member is provided in order to pivot about a second axis which is different from the first axis. The driving mechanism of the automaton includes actuators of the first and second members, provided in order to make the first and second members respectively pivot according to non-symmetrical pivoting movements and in order to coordinate the pivoting movements of the first and second members so that the combination thereof gives a beating effect of the first and second members.

A timepiece including a dial defining an XY plane, an automaton disposed above the dial, the automaton having at least one first member and one second member, which are articulated in order to reproduce beating movements, and a driving mechanism of the automaton. The first member is provided in order to pivot about a first axis which is non-parallel to the XY plane and the second member is provided in order to pivot about a second axis which is different from the first axis. The driving mechanism of the automaton includes actuators of the first and second members, provided in order to make the first and second members respectively pivot according to non-symmetrical pivoting movements and in order to coordinate the pivoting movements of the first and second members so that the combination thereof gives a beating effect of the first and second members.

The invention relates to a method for producing a watch glass, in which at least one diamond or jewel, or other gemstone is embedded, the method comprising the steps of providing a carrier glass, providing a cover glass, introducing at least one recess into the carrier glass, providing at least one diamond, jewel, or other gemstone, inserting the at least one diamond, jewel, or gemstone into the at least one recess of the carrier glass, placing the cover glass on the carrier glass, and connecting the cover glass to the carrier glass such that an airtight connection point between the cover glass and the carrier glass is formed, which is subject to a suction cup effect. The invention further relates to a watch glass that is produced according to the method of the invention. The invention further relates to a watch having a watch glass according to the invention.