Description
The Bifora caliber 934 (SCI), from Dugena also called Dugena 704, is a pallet anchor lever movement with seventeen jewels, indirect driven center second hand and a rocking bar winding mechanism below the dial.
The balance is beared in a Bishock shock protection system, and the rate can be regulated by a long regulation hand on the balance cock.
Technical data
| Manufacturer: | Bifora | 
| Caliber: | 934 SCI | 
| Size: | 9 3/4''' | 
| A/h: | 18000 | 
| Number of jewels: | 7/17 | 
| Escapement: | Pallet lever | 
| Balance types: | 
    Nickel anular balance | 
| Shock protection(s): | 
      Bidlingmaier (Bifora) | 
| Balance bearing / direction hairspring: | Clockwise | 
| Moveable stud: | no | 
| Adjust mechanism: | Long regulator arm | 
| Construction: | 
      
      
          
        
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| Construction type: | pillar construction | 
| Winding mechanism: | rocking bar winding system | 
| Setting lever spring: | 5 hole(s) | 
| Features: |  
    
       
        
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| Production period: | 1946 - 1958 | 
| References: | 
      
        Flume: 1958 b.35 | 
| Production years: | 1946-1958 |