Slava 2428

The mounting frame with parts of the date assembly is part of the calibre, and simultaneously the highest part. indirectly driven minute allows a very big balance two barrels coupled in parallel use the remaining space most efficiently if 26 jewels: 5 hole jewels for horizontal guide of the date disc (Fig.3, A in fig.4) and 4 cap jewels for vertical guide (Fig.3, B in Fig.4) Fig.3 shows likely the most complicated assembly ever to advance the date with a pusher.