The atmospheric clock works thanks to daily temperature fluctuations. A gas inside a flexible membrane expands when the temperature rises, compressing a spring that sets the pendulum in motion.
Jaeger LeCoultre ATMOS from 1955
DESCRIPTION
Rare Jaeger LeCoultre Atmos with a JLC book for handling instructions.
CASE
225 x 165 x 120 mm
DIAL
original white with Arabic numerals
MOVEMENT
JLC cal 526
FUNCTIONS
The Atmos derives it's energy from temperature variations and does not require any winding!
CONDITION
original condition
YEAR
1955