A gold turquoise and ruby open-faced watch, Terond, Alliez et Bachelard, no. 32854 early 19th century

full plate gilt verge movement, pierced and engraved balance bridge, white enamel dial, Arabic numerals, outer minute track, blued steel moon hands, circular case with turquoise-set bezel, case back with multi-colour gold leafage set with turquoise and rubies, coin-edge band, dial and movement signed, with a matching turquoise-set key.