Spring-wound - wound with a key, run for 3-5 days.
Quarter striking - 1/4 - strikes every 15 minutes.
Atypical combination of shapes, placement of the clock mechanism.
Chiseled brass ornaments, pendulum and frame.
Enamel dial.
Alabaster columns.
Wood retouching/lining - painted decor.


Architectural symbolism: In the Empire, these clocks were conceived as miniature ancient temples (portals).

Mirror: A mirror is placed on the back wall behind the columns, which optically doubles the number of columns and creates the illusion of an endless hall.