An unusual English verge in silver pair cases. Full plate fire gilt movement with unusual arched bridge cock, pierced and engraved plate for the silver regulator disc. Plain three arm steel balance, blue steel spiral hairspring. Convex white enamel dial with Arabic numerals, Roman numerals at the quarters , gilt hands. Matching silver pair cases, silver rectangular pendant and bow, maker's mark “IR”. Unusual outer case which hinges at six o'clock, the button and spring by one o'clock.