American Watchmakers - Clockmakers Institute

Supporting and Advancing Horology through Education and Cooperation

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Shellac

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Good application of shellac. The shellac is smooth and amber colored. The shellac covers the maximum area of the stones without running onto the sides of the body of the pallet fork.

Proper shellac is essential to maintain the position of the pallet stones in the fork. Poorly applied shellac can interfere with the operation of the pallet fork or fail prematurely.

Not enough shellac on entry stone.

Too much shellac on entry stone. It is very high and extends onto the side of the pallet fork arm.

Messy application of shellac. Shellac should not be present on the body of the pallet fork or on the sides of the pallet arms.

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AWCI

American Watchmakers – Clockmakers Institute

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