Tourbillon
    
            Ivory Grand Feu enamel, tourbillon frame. 18-carat red gold case. Automatic movement. Power reserve of 7 days. 39 mm diameter.
    
          
    
    
    
    
    
      
      
        
                      
              | Reference | 
              J013013200 | 
            
          
                                
              | Movement | 
              Jaquet Droz 25JD, self-winding tourbillon movement, simple barrel, 18-carat red gold oscillating weight with white onyx applique
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              | Indications | 
              Hours and minutes at 6 o'clock
Tourbillon frame and seconds at 12 o'clock
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              | Jewelling | 
              31 jewels
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              | Power reserve | 
              7 days | 
            
          
                                
              | Frequency | 
              21,600 v.p.h | 
            
          
                                
              | Case | 
              18-carat red gold
Height 13.20 mm
Individual serial number engraved on the case-back
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              | Diameter | 
              39 mm | 
            
          
                                
              | Water resistance | 
              3 bar (30 meters) | 
            
          
                                
              | Dial | 
              Ivory Grand Feu enamel
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              | Hands | 
              Hands
18-carat red gold hours and minutes
Seconds in blued steel
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              | Strap | 
              Rolled-edge hand-made black alligator leather strap
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              | Buckle | 
              18-carat red gold folding clasp
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              | Complications | 
              
                Tourbillon                |