The outer gold case has been hand chased in a basket-work pattern, and gives the appearance of an engine-turned finish. Inner case plain gold. Hallmarked for London, 1702 – 3. Gold champlevé dial with sunk repoussé name plaque signed 'Gretton, London' in centre. Steel hands. Verge escapement. The top pivot hole of the verge was once jewelled with a pierced ruby, mounted in a silver (although this probably was not original to the watch). Signed ‘Charles Gretton London’.

Gretton became Master of the Clockmakers’ Company in 1700. This watch was purchased by the Worshipful Company of Clockmakers in 1831.

Clockmakers' Museum No. 121.