Reference: Atmos Perpetual by Jean-Léon Reutter
Model: Jaeger-LeCoultre Atmos Perpetual Mercury
Movement: Early mercury-powered perpetual movement by Jean-Léon Reutter
Case: Gilt brass and glass
Dial: Original silvered enamel dial with black Roman numerals and blued Breguet-style hands
Dimensions: Height 24 cm × Width 18 cm × Depth 16 cm
Circa: 1930–1935 (pending Jaeger-LeCoultre Archive Extract)
Accessories: Original instruction manual, original spirit level, original Jaeger-LeCoultre documentation, additional original booklet, Jaeger-LeCoultre Archive Extract in process (already requested), Jaeger-LeCoultre service invoice
Condition: Excellent overall condition. Fully serviced by Jaeger-LeCoultre in July 2026 for CHF 2,200.- Working perfectly.
Warranty: 3 years by Jaeger-LeCoultre
Description
An exceptionally rare early Jaeger-LeCoultre Atmos Perpetual, based on the revolutionary invention of Jean-Léon Reutter (1899–1971). This first-generation mercury-powered Atmos represents one of the earliest and most historically significant versions ever produced.
The clock features its original silvered enamel dial with Roman numerals, elegant blued Breguet-style hands and the characteristic mercury-powered perpetual movement that made the Atmos famous.
A complete factory service was carried out by Jaeger-LeCoultre in July 2026, ensuring perfect mechanical operation. The corresponding service invoice for CHF 2,200 is included.
An official Jaeger-LeCoultre Archive Extract has already been requested and is currently in process. It will accompany the clock once issued and will confirm its exact production details.
The sale includes the original instruction manual, the original spirit level used for installation and the service invoice from the manufacture.
An outstanding opportunity to acquire an early Atmos by Jean-Léon Reutter in excellent condition, freshly serviced by Jaeger-LeCoultre and accompanied by extensive original accessories.
We take care of your timepiece and has specific packaging dedicated to sending this fragile timepiece.