: The most delicate step is ensuring the upper pivot of the balance staff perfectly enters the jewel hole in the cock. If the screw is tightened while the pivot is misaligned, the staff will break.
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. amateur cock
: 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 most delicate step is ensuring the
