A late 19th Century Swiss cylinder in a diamond set gold and enamel 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. White enamel dial with Roman numerals, blue steel Breguet hands. Engraved 18 carat open face case, the back with dark green enamel centred with a foliate design in green translucent enamel set with diamonds. Coin edge middle, wound and set through the gold cuvette.