Job Description:

• 1) Examines and adjusts hairspring assemblies to ensure horizontal and circular alignment of hairspring, using truing II calipers, loupe, and watchmaker's tools: Mounts hairspring and balance wheel assembly between jaws of truing calipers.

• 2) Turns wheel of caliper and examines spring to determine if center coils appear as perfect circles, using loupe.

• 3) Bends inner coil of spring away from or toward collet to locate center of collet in center of spring and to correct errors resulting from faulty colleting of coil, using tweezers.