Silver Pair Cased English Lever

A late 19^th Century English lever in silver pair cases.  Full plate gilt keywind going barrel movement with gilt dust cover.  Engraved cock with garnet endstone, polished steel regulator.  Plain three arm polished steel balance with blue steel spiral hairspring.  English table roller lever escapement.  White enamel dial with Roman numerals, blue steel hands.  Matching silver pair cases, silver pendant and bow, maker's mark "GH" in a rectangle and number corresponding to that on the movement.