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How do self-winding watches work?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 21. Dezember 2015, 21:43
Stufe: B1-B2 (Mittelstufe)

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Self-winding watches keep the time with the help of a piece of metal, gravity and the natural movement of your arm. Tune in to learn more about self-winding watches in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers