Anyone know of a technical guide for this calibre or similar? I searched all the places I can think of and found nothing. It has a couple of unusual features which make it interesting to me. There is an automatic winding mechanism which works on a similar principle to Seiko's magic fingers, but more complicated in execution. Here the "fingers" are separate parts which sit on top of one another on a common pivot. They are held in engagement with the reduction wheel (?) by separate springs. The re