31 Day Commercial Mainspring – Loop End – 3/4″ x .015 x 170″

$7.95

For Japanese and Korean 31-Day clocks. Loop End. Size: 3/4″ (19.05mm) width x .0165″ (.42mm) strength x 170″ (4318mm) length.

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For Japanese and Korean 31-Day clocks. Loop End. Size: 3/4″ (19.05mm) width x .0165″ (.42mm) strength x 170″ (4318mm) length.

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