Analogic display module for a watch movement

Apparatus for displaying astrological information

Apparatus for reproducing the appearance of heavenly bodies

Astrological watch

Astronomic timepiece and disc intended for use therein

Astronomic timepiece having a visible element simulating the dis

Astronomic watch

Astronomical clock

Astronomical data indicating device

Astronomical time clocks

Astronomical timepiece

Astronomical wrist-watch

Bit serial mechanical adder

Calendar mechanism having means driving and correcting two...

Celestial clock

Celestial timepiece assembly

Celestial timepiece assembly

Chronometer with tide indicating means

Clock

Clock with constellation display