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Beyond the balance wheel, other parts may use "cocks" rather than full bridges: : Supports the escape wheel. Pallet Cock : Supports the pallet fork.

: In modern watches, the balance cock often houses a shock-absorbing setting (like Incabloc) for the jewel, protecting the delicate pivots from damage if the watch is dropped. Common Challenges for Amateurs

: The balance cock also holds the "stud" (the fixed end of the hairspring). Ensuring the hairspring is flat and centered under the cock is essential for accurate timekeeping. Types of Cocks in Watchmaking amateur cock

Amateur watchmakers often encounter specific issues when assembling or repairing this component:

The balance cock is a cantilevered bridge, typically secured to the watch's mainplate by a single screw. It serves as the upper support for the balance staff—the axle upon which the balance wheel oscillates—enabling the watch to keep time. Beyond the balance wheel, other parts may use

: It holds the upper pivot of the balance wheel in place. Because it is only anchored at one end (cantilevered), it allows for easier visibility and adjustment of the balance assembly compared to a full bridge.

: If a balance wheel stops moving when the cock is tightened, it may be due to insufficient vertical clearance (endshake). Some amateurs resolve this by "shimming"—placing a tiny piece of paper or metal foil between the cock and the mainplate to raise it slightly. Common Challenges for Amateurs : The balance cock

: Mounted on the balance cock, this lever allows an amateur or professional to adjust the active length of the hairspring, making the watch run faster or slower.