Rolex 620: Difference between revisions
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Latest revision as of 15:17, 23 July 2021
Rolex 620 is a calibre by Rolex.
Self-winding movement, unidirectional winding rotor, 18,000 A/h, 17 jewels, small seconds.
The world's first self-winding movement with rotor winding (Perpetual), 1931 first presented by Rolex and developed by Emil Borer and Hans Wilsdorf.
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