Boucheron, a rare enamel, ruby and diamond desk timepiece, early 20th century

Boucheron, a rare enamel, ruby and diamond desk timepiece, early 20th century, the circular white enamel dial inscribed '8 Jours', with black enamel indicators and gold hands, within a border of rose-cut diamonds to a gilt silver case designed in the Rococo revival style on four cabriole legs, applied to the front and sides with pink guilloché enamel, accented by floral motifs set with cabochon rubies, measuring 8.5 x 5.6 x 2.4cm, reverse signed Boucheron, French sponsor's mark LK with cockerel, French assay marks for silver, stamped 900, gilt metal winding key, original fitted case stamped Boucheron