Eighteen karat gold; 18 jewel movement no. 1368794, adjusted for heat, cold and isochronism and five positions, reference no. 3859/1, calibre 177; mother-of-pearl and onyx dial, case no. 2777040 . Dial, movement and bracelet signed. D: 26mm.; L: 7 1/2 in.; Gross weight: 54.17 dwt.The accuracy or functionality of timepieces cannot be guaranteed; all items are sold as is. Any condition statement reflects the condition of the watch on the date of the report. Condition can change from the time of the report to the say of sale. The origin or authenticity of diamond dials, bezels, straps and bracelets cannot be guaranteed.