A Jaeger-LeCoultre gilt-brass Atmos clock

A Jaeger-LeCoultre gilt-brass Atmos clock, Ca. 1960-70, Switzerland, 22,5x18x13,5 (clock), With typical gilt-brass case with glazed sides, the circular face with four Arabic numerals, the mechanism with going train and a torsion pendulum driven by a membrane which reacts to differences in air pressure and temperature, in its original case.