Cylinder Watch Mechanical Restoration | Antique and Vintage Watch Repair
Repair Both of the pivots on the balance staff were broken, and the cylinder was partially bent out of place (see Fig. 1). First the cylinder is carfully bent back into shape, then the staff assembly is press out of the balance wheel (see Fig. 2 and 3). The staff is now separated from the wheel (Fig. 4), and plug end pivots are pressed out of the cylinder using a special stake, and now can be measured for patterns to turn new pivots (see Fig. 5). The plates and wheel are now pre-assembled and checked for freedom (See Fig.6).The Plates are then taken apart again, and all of the pivots are inspected. This has revealed that some of the pivots will need to be polished, as signs of wear are apparent. You will also note that there are some nasty dark stains on the brass. I will use a different chemical soaking treatment to attempt to remove these stains as much as possible. The spring barrel is soaked (see Fig. 7) in an attempt to loosen and minimize the stain left from crystalized