Rare Damascened Pocket Watch by Longines

An early 20^th Century lever by Longines in a rare gold damascened gunmetal open face case.  Gilt half plate keyless movement with going barrel.  Plain cock with polished steel regulator, uncut bimetallic balance with spiral hairspring.  Club foot lever escapement.  Signed white enamel dial with subsidiary seconds, Arabic numerals, decorative pierced gilt hands.  Fine gunmetal open face case profusely inlaid with two colour gold work.  The clip on gold back damascened in gold, the centre depicting two engraved mirrored dragons and small applied gold floral decoration.  The wide border similarly decorated with a further four dragons.  Clip on bezel damascened in two colour gold in a geometric pattern.  The middle of the case also damascened in gold in a geometric pattern.  Gilt bow and crown, hinged gunmetal cuvette.  Paper table inside the back cover "W J Baird