Spring-wound - wound with a key, runs for 3-5 days.
Quarter beating - 1/4 - beats every 15 minutes.
Alabaster columns.
Chiseled brass ornaments.
Polychrome appliques.
Enamel dial.
Brass frame and cast pendulum.
The mirror on the background of the columns optically multiplies the space and light reflections, emphasizing the movement of the pendulum.
Ancient patterns are typical of the Empire style (Napoleon period).