Edwardian 18kt Gold and Diamond Open Face Pendant Watch, Longines

Description:

Edwardian 18kt Gold and Diamond Open Face Pendant Watch, Longines, the goldtone metal dial with Arabic numeral indicators and subsidiary seconds dial, enclosing 15-jewel movement, in a purple guilloche enamel case, with rose-cut diamond melee mount, 24 mm, case and movement no. 1740521, both signed.
Estimate $200-400

Small area of enamel loss to bail. Winds, sets, ticks when wound.