Make tools, fittings, and small metal pieces used in other products.
Inspects completed watch and clock movements and motors for defects, such as surface blemishes, missing parts, and misalignment of parts, using loupe, watchmaker’s tools, and gauges: Winds and activates movements to verify prescribed wheel motion. Examines movements and motors for defects, such as misalignment of parts, missing parts, cracked or broken parts, and deficient oil content on jewels. Replaces or tightens missing screws, using screwdriver; removes scratches on parts, using buffing stick; and oils jewels, using hypodermic syringe. May test performance of motors used in electric clocks and timers, using voltmeter and ammeter and be designated Motor Checker. May be designated according to type of movement inspected as Final Inspector, Balance Wheel.