Internet Horology Club 185
Did You Know? Illinois watches had every jewel made to fit the pivot, see video.
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March 06, 2014, 18:03
Patrick Wallin
Did You Know? Illinois watches had every jewel made to fit the pivot, see video.
Illinois watches had every jewel made to fit the pivot. No mass production here.
http://www.youtube.com/watch?v=vTQT6PwgJTA