Silver Centre Seconds Fusee Lever

A late 19^th Century English centre seconds lever in a silver open face case.  Gilt three quarter plate keywind movement with fusee and chain. Harrison's maintaining power. Engraved cock with polished steel regulator, compensation balance with blue steel spiral hairspring.  English table roller lever escapement.   Signed white enamel dial, centre seconds, Roman numerals, blue steel seconds hand, gilt hands.  Plain silver open face case with ribbed middle, vacant shield shaped cartouche and oval garter on the back cover. Silver slide in the band to stop the balance, maker's mark "HG" and number corresponding to that on the movement.