Slava 2427

The mounting frame with parts of the date assembly is part of the calibre. indirectly driven minute allows a very big balance two barrels coupled in parallel use the remaining space most efficiently automatic with two roller freewheels (Fg.4) if 27 jewels: 5 hole jewels for horizontal guide of the date disc (Fig.5, A in fig.6) and 4 cap jewels for vertical guide (Fig.5, B in Fig.6) Fig.5 shows likely the most complicated assembly ever to advance the date with a pusher.