Checked with a small neck brace and 925...
That is 925/1000...
From the 1980s...
FRENCH jeweler...
From SOCIÉTÉ C. ...
In perfect condition...
A model in the style of the 1960s/70s...
If necessary, one or two small links can be removed if it is too large...
And conversely, a jeweler can add more according to demand...
The rings are of different diameters with the 5 largest having flat parts...
Weight... 31 gr 66