Reply To: pocketwatch hairspring.

[tmac1956]

bobpat:

When you get the parts list you’ll need to look up balance staff part number from the list. Then you can go to eBay or Otto Frei (for example) and do a search (Elgin 16s hairspring X796). The hairsrpings are harder to find in new condition, but I can usually find the staffs on eBay.

Later,
Tom