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Op donderdag 23 maart 2017 15:51 schreef Cyclops het volgende: Dit is wat ik op de site las: The Sky-Dweller is equipped with calibre 9001, a self-winding mechanical movement entirely developed and manufactured by Rolex. Protected by seven patents, it is one of the most complex calibres ever developed by the brand. Its architecture, manufacturing quality and innovative features make it singularly precise and reliable.