ILBERY; WILLIAMPocketwatch. Origin: London; England. Date: ca. 1800. Clockwork: Bridge movement; key winding. Case/Wristband: Gold; translucid polychrome enamel; stone set with diamond roses; dial enamel; tritium coated; rom. numbers; arab. quarter hour markers. Total Weight: ca. 158.0 g. Measurement: 58.0 mm; without stem. Case-No: 296. Reference-No: NN. Movement-No.: 6296. Description: Movement typically decorated for the Chinese market; gilded and elaborately ornamentally engraved; winding and hand setting via key; Chinese duplex escapement; diamond rose as cap jewel; flat hairspring. Watchmaker William Ilbery/Ilbury active in London 1780-1839. Introduced the style of the Chinese pocket watch. Rare museum piece!Very good condition for the age and original key. Movement running; in need of revision. Enamel in good condition. :Movement: good condition; slightly oxidised and scratched; in need of revision; functional. Dial: very good condition; slightly oxidised; original hands. Case: good condition; slightly oxidised and scratched; slight traces of wear.Art trade; Van Ham.