GRAND LANGEMATIK
in 750 yellow gold
                        Reference 309.021
                    
                    
                    
                    
                                    
                                    This reference is not part of our current collection
                                
                                                        
                                            Technical Details
Highlights
- Case diameter: 40 mm
Case thickness: 10.7 mm 
Case dimension
                        - Self-winding movement
 
Winding mechanism
                        - 46 hours
 
Power reserve
                        - Outsize date, ZERO-RESET mechanism
 
Functions