11 1/2”’ | Automatic | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Movement family:
  • Felsa 410 Bidynator: small seconds
  • Felsa 415 Bidynator: indirect sweeping seconds

• Listing ID: 7686
• Manufacturer / Brand: Felsa
• Caliber: 415 Bidynator
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 44 hours
• Production Period: 1942+
• Identification: Dial side marked with Felsa logo and 415. Listed in the Jacob catalog and in the Classification Horlogère, both from 1949.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)