A 19th Century Swiss cylinder in an unusual gold oval pendant case. Keywind gilt bar movement with suspended going barrel. Plain cock with polished steel regulator, plain three arm gilt balance with blue steel spiral hairspring. Polished steel cylinder, steel escape wheel. Small white enamel dial with Roman numerals, blue steel hands. Engraved gold oval pendant with applied decorative wire work. Raised engraved circular section for the watch, the small central lid set with a pearl is sprung open by pressing button at the edge. Gold circular hinged back with slide to reveal the apertures to wind and set the watch.