Oscillating winding weight with a decorative element for an automatic timepiece movement

An oscillating winding weight of a movement of a timepiece, said oscillating winding weight being configured to be mounted such that it can rotate on an arbor of the movement, said oscillating winding weight comprising:

• a main element conferring an overall shape of the oscillating winding weight;
• a heavy part allowing the oscillating winding weight to oscillate in response to the movement of the timepiece and to a force of gravity;
• and
• a decorative element, the decorative element being a logo or initials, and the decorative element being attached to the main element, wherein
• the main element comprises a first material,
• the decorative element comprises a second material,
• the heavy part comprises a third material, and
• the third material has a higher density than the second material, such that the heavy part is heavier than the decorative element in order to position the decorative element in a predefined position.