Gold watch with tourbillon by Girard Perregaux, Switzerland, 1879. Gold hunter case engraved all over with flowers and foliage, and with English hallmark dated 1879 and stamped 51701 and 14961. Signed on the cuvette 'Cronometro, Tourbillon, Girard Perregaux, Chaux de Fonds'. White enamel dial with subsidiary seconds and signed 'Girard Perregaux, Chaux de Fonds'. Gold hands. Jewelled movement with pivoted detent escapement and tourbillon, and signed on the central bridge 'Girard Perregaux, Chaux de Fonds'. Originally part of the collection of the Reverand Henry Nelthropp and later donated to the museum of the Worshipful Company of Clockmakers. Clockmakers' Museum Number 452