noun
a type of watch or clock that is self-winding
adjective
describing a mechanism that winds itself automatically, without external power
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The self-winding mechanism in the watch ensures it stays powered without needing manual winding.
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I love my self-winding watch because I never have to worry about winding it up every day.
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My self-winding watch is like magic, it just keeps itself going without me doing anything.
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Her self-winding personality always keeps her motivated and moving forward in life.