Timepiece or jewelry e.g. jewelry type wrist watch, has two groups of mobile elements consisting of first and second mobile elements, where second mobile element forms counterweight for driving first mobile element

摘要

The timepiece or jewelry has two groups of mobile elements such as stones, circulating in a channel (4) under the action of weight and movement of a user. Each mobile element has a sliding surface arranged to cooperate with a bottom (5) that includes the channel. The first group consists of a first mobile element (2A) having lower inertia, and the second group consists of a second mobile element (2B) having high inertia. The second mobile element forms a driving counterweight for driving the first mobile element. The bottom is made of metal or chrome or nickel or silver.