A "raw" or unfinished movement.
an incomplete and unfinished watch produced by one company that was then purchased by anything from a large watchmaking company to a local watchmaker
A term used by Swiss watch manufacturers to denote the unassembled raw movements without jewels, escapement, plating, engraving. The manufacturers supply their ebauches to trade name importers in the U.S.A and other countries who have them finished, jewel
French term (but commonly used in English-speaking countries) for a movement blank, i.e. an incomplete watch movement which is sold as a set of loose parts, comprising the main plate, the bridges, the train, the winding and setting mechanism and the regulator. The timing system, the escapement and the mainspring, however, are not parts of the "ébauche".
A base watch movement. Often, manufacturers will make custom modifications to the base movement to add complications (features), decorate the movement, and electroplate or upgrade certain parts for added durability.
The ebauche refers to the basic movement. To this, a particular manufacturer may add complications, decorate the movement or refine the movement by adding higher grade components.
An unfinished movement, i.e. the movement in the rough before the escapement is fitted, or the train has been pivoted.
A French term for a movement blank, which is an incomplete watch movement before its assembly is completed, and comprises the main plate, the bridges, the train, the winding and setting mechanism and the regulator. Not part of the ebauche is the timing system, the escapement and the mainspring.