Brass "Atmos" Timepiece, Jaeger-Le Coultre

Description:

Brass "Atmos" Timepiece, Jaeger-Le Coultre, c. 1980s, the ivorytone metal dial with Arabic and abstract numeral indicators, automatic movement, 9 x 7 x 5 1/2 in.Note: The mechanism is a sealed capsule that expands and contracts with small changes in temperature and barometric pressure. The motion of the capsule winds the mainspring.
Estimate $300-500

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