Job Description:

• 1) Assembles, tests, and adjusts marine chronometers, using watchmaker's tools and loupe: Assembles parts, such as plates, bridges, train wheels, mainspring, and fusee, in specified sequence, using tweezers and watchmaker's tools.

• 2) Greases and assembles fusee and barrel assembly.

• 3) Tests assembled parts, such as fusee and barrel and train wheels for specified endshake, using tweezers.

• 4) Bends parts, such as bridges, to correct insufficient or excessive endshake.

• 5) Oils and greases bushings and other surfaces requiring lubrication.

• 6) Cleans parts, such as plates, mainspring barrel, and hands, using buff stick moistened with benzine.

• 7) Tests operation and fit of parts and subassemblies during assembly and makes adjustments to eliminate any improper fit or malfunctioning.

• 8) Changes timing weights on balance wheel to correct deficient timing and tightens or replaces loose jewels, using watchmaker's tools.