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Lot Essay
The present watch is an extremely rare example of a relatively small twelve months timekeeper, built to run during one year on one winding. Consequently, the barrel is exceptionally large and contains a very strong mainspring. The fusée is very high to accommodate the twenty-four turns in its groove.
Timepieces with one year going movements are also called four hundred day clocks and much more common to find in form of a large clock due to the size of the movement.
Etienne Tavernier (1756-1839) is listed in Tardy's Dictionnaire des Horlogers Français as famous watchmaker located in Paris who worked closely with Abraham-Louis Breguet.
It is thought that Etienne Tavernier invented the astronomical watch key, containing a miniature watch movement featuring calendar and phases of the moon.
Timepieces with one year going movements are also called four hundred day clocks and much more common to find in form of a large clock due to the size of the movement.
Etienne Tavernier (1756-1839) is listed in Tardy's Dictionnaire des Horlogers Français as famous watchmaker located in Paris who worked closely with Abraham-Louis Breguet.
It is thought that Etienne Tavernier invented the astronomical watch key, containing a miniature watch movement featuring calendar and phases of the moon.