A silver pair cased verge pocket watch, Hieron, London, 183, circa 1720,

細節
A silver pair cased verge pocket watch, Hieron, London, 183, circa 1720,
silver champleve dial with Roman numerals and outer Arabic five minutes, signed in two central scroll-edged cartouches Hieron, London, signed and numbered gilt fusee movement with unusual twisted pillars, plain pair cases, diameter 56mm.
See Colour Illustration (Plate 5)