kept wound or wound periodically by a mechanism, as an electric motor or a system of weighted levers, so that winding by hand is not necessary.
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How to use self-winding in a sentence
The young inventors put two and two together and created a ball that uses technology similar to a self-winding watch.
"It must be one of those self-winding stock farms," put in the School-master, scornfully.Coffee and Repartee | John Kendrick Bangs
British Dictionary definitions for self-winding
(of a wrist watch) having a mechanism, activated by the movements of the wearer, in which a rotating or oscillating weight rewinds the mainspring
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012