Alarm clock - Junghans - Art Deco Brass, Porcelain - 1920-1930

An old alarm clock from the German Junghans factory dating from the 1920s–1930s — a miniature.
Dial signed with the Junghans logo — a star with the letter J in its center.
Brass case, a legible dial in porcelain or porcelain enamel, hands in a stained-glass style, block letters in Art Deco style.
The alarm clock is functional, after cleaning and repair, with visible signs of wear and age in the photos.