Rotor/en
Version vom 4. Februar 2009, 01:09 Uhr von 87.157.228.239 (Diskussion) (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...)
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.