French Art Deco UCRA Marble Onyx Mantel Clock With Side Garnitures, 1920s 1930s

French Art Deco mantel clock by UCRA, made from black marble and green onyx, with a pair of matching side garnitures.
The set has a strong geometric Art Deco form with a curved clock body, striped marble and onyx decoration, and matching fan-shaped garnitures. The clock face is marked UCRA.
The clock comes with its winding key. The movement is not currently working and will require servicing or adjustment.

Dimensions:
Clock:
Height: 25 cm (9.8 in)
Width: 49 cm (19.2 in)
Depth: 10 cm (3.9 in)
Weight: 11.2 kg

Side Garnitures:
Height: 19 cm (7.4 in)
Width: 11 cm (4.3 in)
Depth: 10 cm (3.9 in)
Weight: 2.505 kg each

Condition: Very good vintage condition overall, with minimal signs of age and use.
There are very small chips to some corners and edges.  The marble and onyx surfaces show age-related marks, light scratches, and wear.
The clock mechanism is not currently working and requires servicing or adjustment.