gilt movement with a large compensation balance, self-winding by changes in air pressure.
White with dart indexes and Arabic numerals
Condition: like new!
Year: 70' ies
Description: Invented by engineer Jean-Léon Reutter from Neuchatel, the Atmos clock toys with one of humankind's oldest dreams: perpetual motion. This clock derives the energy required to drive its horological mechanisms from variations in temperature and atmospheric pressure.