Jaeger-LeCoultre Atmos Black Fish Marina Clock 526 – Perpetual. Decorated with fish amidst seaweed, with Arabic quarters and signed Marina to lower right hand corner. Made in bronze and acrylic structure with gilded details.
Atmos once configured can work for more than 90 days without the need for human intervention. It gets the energy it needs to function from changes in temperature and atmospheric pressure.
Switzerland, CIRCA 1970.