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the process of removing a 90-degree right angle and making a 45-degree angle on the edge of a component such as a bridge or mainplate. This can be done automatically by a machine, or manually by hand. Typically the edge is then polished to a mirror finish. This technique is decorative as well as to functionally eliminate sharp corners that would otherwise be damaged while the watch is working.

Hand beveling requires a significant amount of time and skill and generally signifies a high-end movement.

anglage, chamfering