An antique, large-scale mechanical clock mechanism is displayed within a transparent glass case with a dark brown or black frame, set indoors on a dark tiled floor

An antique, large-scale mechanical clock mechanism is displayed within a transparent glass case with a dark brown or black frame, set indoors on a dark tiled floor. The clock's visible components include a central circular face with gold-toned Roman numerals and dark hands indicating approximately 10:50. A prominent brass-colored spherical pendulum bob hangs below, resting on a black cylindrical support. Two cylindrical brass weights are suspended by chains on either side of the pendulum. Above the clock face, two brass bells are mounted on dark, curved metal arms. The main clockworks, composed of numerous gears, levers, and connecting rods, are painted dark green. The display case's interior top reflects parts of the ceiling structure. Behind the clock, large arched windows with dark frames reveal an urban exterior scene. Visible beyond the windows are buildings with classical architectural elements, including a partially obscured dome, and street-level signage in Cyrillic. The room features light-colored, possibly cream or beige, arched walls and ceiling. Text in both Bulgarian and English is visible on the glass case, identifying the artifact as "The clock of Central Hall" and mentioning its connection to Sofia, Bulgaria, thus locating the scene within the Central Military Club in Sofia, Bulgaria. No individuals are present.