An early 19th Century English duplex with decorative four colour gold dial in a gold open face case. Full plate gilt keywind fusee movement with dust cover. Harrison’s maintaining power. Engraved cock with diamond endstone, polished steel regulator, small silver sector index on the plate. Plain three arm steel balance with blue steel spiral hairspring. Duplex escapement, large brass escape wheel, pivots with endstones. Fine decorative gold dial with subsidiary seconds. Matted ground, three colour applied gold decoration to the centre and edge, applied polished gold Roman numerals, blue steel seconds hand, gold hands. Decorative 18 carat gold open face case, faded engine turned back. Chased and engraved middle, bezels, pendant and bow, maker’s mark “GB”.