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(Die Seite wurde neu angelegt: '''Rotor''' A rotor is the essential part of an automatic (self-winding) wristwatch. It is usually a metal half-disc, weighted at the edge, which spins whenev...) |
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Version vom 4. Februar 2009, 01:09 Uhr
Rotor
A rotor is the essential part of an automatic (self-winding) wristwatch. It is usually a metal half-disc, weighted at the edge, which spins whenever the wearer moves his arm. This rotarty motion is then geared down to wind the mainspring.