Internet Horology Club 185
Hamilton Mainsprings
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June 24, 2011, 18:08
Mike Hodge
Hamilton Mainsprings
Here are some Mainsprings that I need some info about. They are marked for Hamilton 16s, but which 16s do these fit?
June 24, 2011, 18:09
Mike Hodge
Other view
June 24, 2011, 18:40
Edward Kitner
Mike, with the width at 19 and strength at 5 they appear to match Hamilton numbers #317 and #318's