Movement type
                                        
                                        
                                            Manufacture hand-finished manually wound movement
Monopusher chronograph 
Reversed movement with regulating organ, going train, bridges and plate visible through watch's dial
                                        
                                    
                                
                            
                                
                                
                                
                                    
                                        
                                            Complications
                                        
                                        
                                            Chronograph with central second-hand and 30-minute counter