Zenith lacquer and eggshell alarm clock. Jean Dunand ?

In the manner of Jean Dunand, Templier or Sandoz art deco artist, a very uncommon and elegant period 1930's art deco Zenith alarm clock.
Stunning eggshell and lacquer work.
Works fine.
Recently a clock, made by Zenith and Jean Dunand was auctioned in France for more than 7800eur.
It was not signed....

Dimension in mm: 56 x 60 x 35 for the clock. 62 x 92 x52 for the case.