New York Standard Mainspring View larger

New York Standard 6 Size 5134T - 4396A

#5134T / 4396A

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New York Standard size 6s mainspring.  The original company's part number is  #5134T / 4396A.  This is for the "New Model" watches.

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Warning: Last items in stock!


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These are "new-old-stock" springs and will need to be cleaned (lighter fluid works well) before installation.  These are getting hard to find and I have a very limited supply with no guarantee that I will be able to replenish them when gone.  I highly recommend that you purchase the one you need now if I have it in stock

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