Felsa Cal. 4007 and 4007N Watch Movement Technical Data
Technical specifications and parts list for Felsa caliber 4007 and 4007N automatic watch movements manufactured in Grenchen, Switzerland. Includes detailed dimensions in millimeters, mechanical specifications for case, escapement, balance, barrel, hairspring, regulator and other components. Complete exploded views showing all numbered parts with corresponding materials list and parts nomenclature in French, English and German.
