Composed of a ring formed from a metal sheet that widens as it approaches the bezel, and features an embossed bead all along its axis. A filigree depicting 2 vollutes and an elongated appendage are located at both ends of the ring, a first square parallelepiped, with rounded corners, surrounded by a thin filigree bead, 4 small cylindrical sleeves ending in a central prominence are positioned on the corners of the 2nd parallelepiped, as well as 5 identical prominences surrounded by a beaded crown and arranged in a cross,