Job Description:

• 1) Attaches balance assembly to balance bridge: Positions regulator in nest of holding block and places balance bridge over regulator to fit balance bridge jewel into hole in regulator.

• 2) Presses bridge into place, using tweezers.

• 3) Positions balance wheel and hairspring assembly over bridge, and places hairspring stud into hole in bridge.

• 4) Tightens screw to hold stud securely.

• 5) Oils balance bridge jewel, using oil-filled hypodermic needle.

• 6) Observes minute parts, using tweezers and loupe.