Another strip down. Today it is a Poljot 31681 russian chronograph movement. This movement is strikingly similar to the Valjoux 7734.It was actually a nice movement to work on as it is a well built cam activated chrono. It has three sub-dials, one being for an off-centre seconds hand, another for hour recording and the other for a 30 minute recording hand. The train is a 21,600 Enjoy some pics: Click here to view the article