A decorative technique that involves removing some of the material from the movement parts to create a see-through effect, often used on the plates and bridgesBridges The bridges of a watch movement are the metal plates that hold the wheels and other components of the movement in place. They are attached to the main plate of the movement with screws. They are used to cover the gears and other moving parts of the movement, and help to keep them in position. Bridges can be used to support the balance wheel, the escapement, the mainspring barrel and other elements. Combined with the mainplate they are the foundation of any watch movement. [Learn More].

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