Spring-wound - wound with a key, runs for 3-5 days.
Quarter beating - 1/4 - beats every 15 minutes.
Chiseled brass ornaments, pendulum and frame.
Enamel dial with inner date wreath.
Alabaster columns and feet.
Wood retouch/lining - painted decor.
Antique appliques - brass.
The mirror on the background of the columns optically multiplies the space and light reflections, emphasizing the movement of the pendulum.