I believe the main spring needs to be replaced. Approximately 10" tall by 5" wide. The item "Antique Seth Thomas Art Nouveau Clock, 10High x 5 wide" is in sale since Tuesday, August 3, 2021. This item is in the category "Collectibles\Decorative Collectibles\Clocks\Desk, Mantel & Shelf Clocks". The seller is "funkynfine" and is located in Gallatin, Missouri.
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