JAEGER LECOULTRE ATMOS Atmospheric clock in gilt metal and brass. Case: rectangular, glazed on five sides. Dial: white disk, applied Arabic numerals and herringbone hour markers, dauphine hands, blackened at the ends, visible movement in the center. Movement: perpetual, operates on atmospheric pressure differences. Locking lever for the balance wheel. Signed and numbered 345815. Height: 22cm, width: 18cm, depth: 13.5cm