NEW Vintage Sandsteel Mainspring for Hamilton
w/ back case Watch 18/0 sz No.- 2721
this is a piece of history. If you fix old watches you are in luck.
I am not an expert on watches. I bought a big lot of old watch parts from a family watch-repair business that went to auction. They had been in business for 100 years.
PLEASE - check out my other vintage watch parts we will be listing more over the next number of months. I will give you a deal if you want multiple orders!!
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