The clockwork case with curvilinear lateral and flat front and rear sides is mounted on rectangular socle, on cast ornately shaped base.  Gilded cast decorative onlay in the form of two birds feeding each other surrounded by foliage elements is fixed on the front side. Four apertures for winding the clockwork, setting the hands and escapement adjustment are on the case rear side. Flat upper side of the case serves as the base for cast composition comprised of a shell and two griffins supporting a flute column. A bracket in the form of foliage composition is on the column top. It supports round smooth bezel with black Roman numerals. Double concentric scale with large 15-minutes and small 5-minutes divisions. Gilded hour hand axis  is in the form of an arrow crosses the dial center. The hand has no visible connection with the clockwork and is driven by rotating inner glass disc. The clockwork has eight-days reserve, half hour strike and pendulum lever escapement. The clock belongs to the second series of Mystery Clock by the French watchmaker Eugene Robert Houdin with transparent glass dial and one hand. The clock is mounted on gilded wooden stand, decorated with medallions and volutes. The stand is fixed on black wooden base with the groove for the glass dome along perimeter.
Two winding keys are in the set.

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