This elegant perpetual motion clock is Swiss made by Jaeger-LeCoultre. It is part of their Atmos collection and is the Caliber 528-8 model, which was produced between 1960 and 1980. The clock has a brass frame and the shield is white with golden arrow markers and Arabic numerals. The facial diameter is 5 1/4 inches wide. The bottom is stamped with the make and model number. The clock does have a brass plate on it etched with, "William N. Carroll, June 28, 1978" from IBM. The plate appears to be easily removable. The dimensions are 8 1/2 inches long by 6 1/2 inches wide by 9 1/4 inches high. All measurements are approximate.
Condition: It is in good, working condition.
Provenance: From a Virginia estate.
High resolution images can be found at: https://file.ac/h3keChBmkBM/