A good piece on automatic winding ...

cmeisenzahl · by **cmeisenzahl** » Thu Jul 22, 2010 9:20 am

AUTOMATIC WINDING: PROS AND CONS
As with many technological advances, self-winding watches evolved by a process of trial and error. The first at- tempts began before 1770 and are associat- ed with the names Abraham-Louis Perrelet and Hubert Sarton. We can't say for certain who invented the self-winding mechanism. But who was first really doesn't matter. Far more important is...
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http://www.watchtime.at/archive/wt_2006 ... 04_088.pdf