Job Description:

• 1) Grinds outside diameter of watch jewels to size, using diamond-bonded wheel under water jet: Fits wire filled with jewels in small holding tool and turns adjusting screw to pull wire taut.

• 2) Positions rubber holding wheel so distance between grinding wheels is identical to specified outside diameter of jewels.

• 3) Holds jewels against grinder, moving holder back and forth until jewels are ground sufficiently to pass between wheels.

• 4) Measures jewel diameter with precision jaw gauge and regrinds if necessary.