A slim early 19th Century Swiss cylinder with digital indication in a gold and enamel gold case. Keywind gilt bar movement with suspended going barrel wound by the male key. Plain cock with blue steel regulator, plain three arm gilt balance with blue steel spiral hairspring. Polished steel cylinder, steel escape wheel. Small central section of the engine turned dial visible in the aperture at the front of the case. The minutes indicated by the numerals in the upper sector, the hours shown in the rectangular aperture below jump as 60 minutes pass. Adjusted by a male key at the top edge of the aperture. Slim gold case decorated with black white champleve enamel, wound through the gold cuvette. Matching short gold and enamel chain and key with male square.