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Exceptional Art Deco transparent glass electric clock (powered by a standard LR14 round battery) with round nickel-plated case on a three-tiered glass base.
The typically Art Deco dial is transparent, revealing the movement of the electro-magnetic balance wheel in a double circle surround.
The hands are geometrically shaped, characteristic of the period and of Léon HATOT's documented models.
The clock is signed "Ato". It is in good working order and has just been overhauled by a professional clockmaker.
ATO is a prestigious watch brand founded by Léon Hatot (1983-1953), who trained at the Ecole Nationale d'Horlogerie de Besançon from 1895 to 1898; it was not until 1905 that he began producing and engraving watch cases in precious metals. Between 1918 and 1919, he built the "fabrique d'horlogerie et de joaillerie" factory, specializing in luxury watches. In 1923, he became interested in possible developments in watchmaking, and collaborated with Arts et Métiers engineer Marius Lavet, a graduate of the Ecole Supérieure d'Electricité. He then began manufacturing electric clocks, marketed under the Ato brand from 1923 onwards. Two years later, in 1925, he won the Grand Prix d'Art Décoratif.
Léon Hatot is considered one of the pioneers of high-end electric clocks.
Ref: 6Z2U9O2CMD