An antique ruby and diamond wristwatch of 14k and 18k gold. 1920s.

An antique ruby and diamond wristwatch of 14k gold. Mechanical movement with manual winding. Light patinated dial with black Arabic numerals and blued hands. Bezel set with square-cut synthetic rubies and four old-cut diamonds. Total weight 18.4 g. Case diam. 22 mm. Bracelet of 18k gold. Length: 16.5 cm. 1920s.
The watch does not work. Box included and replaced glass.