Rotor

In the course of the development of our self-manufactured calibre A35, for which also a new winding concept was worked out, the familiar “double eccentric winding system” was created.
In order to be able to produce this in an optimal way, both from a technical point of view as well as in terms of quality, we decided to produce all important key components ourselves.
In addition to the bearing of the winding device (see section “Micro ball bearing"), the focus of attention now moved onto fabrication of the winding mass, the so-called rotor.

Today, after establishing the production and assembly process, we are in the position to manufacture all the rotors used by us ourselves. In addition to that, this fabrication was expanded further due to increased enquiries by other watchmakers, so that we are able to manufacture rotors for all current automatic calibres. At this point, we benefit from the fact that these can be equipped either with a standard ball bearing or with our own micro ball bearing.

Special models or even new developments can be realised within a short time, whether of one piece or multipart, e.g. with hard metal segment. Moreover, surface refinements such as perlage, Geneva Stripes or the like can be realised. Besides, any imaginable milling or laser engraving is possible.
Even such surface refinements as gold-plating, rhodanizing or PVD-coating do not represent a problem.