Pocket Watch Hinge Repair

1 Minute Read

By Steve SatowMore from this author

This is a beautiful old 14k yellow gold pocket watch. The outside view of the hinge shows bowing at the ends and small tears.


Step by Step Pocket Watch Hinge Repair

image_2This picture shows considerable discoloration from rust and a hinge that is almost completely torn off on the middle lug.
image_3It only took a gentle twist to finish tearing the lug off. I then match up the hinge size with yellow gold tubing.
image_4I use a stainless steel rotary brush to clean off the rust and clean up the joint.
image_5I use a separating disk to grind off the remnants of the old lug.
image_6I measure carefully with calipers to cut off just the rite size piece of gold tubing. I square up the ends and lay it in place to check fit.
image_7I reshape the other ends of the tubes and reinforce them with the laser welder until they are straight.
image_8I grind bevels to be filled with laser wire when I install the hinge to the lid.
image_9I lay the tube in place to make sure I have removed enough gold to make a strong weld.
image_10I position the tube and check it front and back for alignment then tack it in place.
image_11I fill the inside joint with 4 courses of weld until it is slightly above the old level then it will be ground smooth.
image_12Then I do the same to the outside joint.
image_13Now the joints have been smoothed with a pumice wheel and polished. It's time to reassemble the hinge. I gently push the new hug in against the hinge spring. After checking the fit the new hinge wire is inserted in the top hinge lug, the center lug is repositioned and the pin is pushed through all 3 lugs of the hinge.
image_14I check the fit from the outside, and try the hinge.
image_15I check from the inside and add a little oil to keep it moving freely.
image_16Front of finished watch.
image_17Back of finished watch.
By Steve Satow – © Bench Magazine
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BENCH Magazine is devoted to the Bench Jeweler in retail jewelry stores and small trade shops.

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