Jaeger-LeCoultre "Atmos Classique Phases de Lune", Movement No. 721640, Cal. 560, Ref. 5112202, 240 x 190 x 150 mm, circa 2008

An as new table clock with moon phase and moon age - with transport carton, setting pin, certificate and operating instructions
Case: steel, ground, glazed on five sides, stepped plinth base, leveling screws in the base, signed. Dial: lacquered silver hour chapter ring with blue radial Roman numerals, inner annular ring for the indication of the month, skeletonized centre, indications of moon phase and moon age at "VI", blue spade hands. Movm.: rhodium-plated and gilt brass, driven by changing air-pressure, torsion pendulum, lever escapement, signed, 15 jewels.

Thanks to its extraordinary movement, the clock indicates the moon phases with extraordinary accuracy. Its indication is so accurate that it will register a difference of only one day in every 3,821 years.
Source: jaeger-lecoultre.com