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

Remarks:

• Date quick-setting by repeatedly changing between 21 and 24 o’clock
• Movement family:
  • Felsa 4007N: Automatic
  • Felsa 4017N: Hand winding
• Felsa 4007 without suffix N: different minute wheel cook

• Listing ID: 17474
• Manufacturer / Brand: Felsa
• Caliber: 4007N
• 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...: Date
• Jewels: 25
• 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: Unknown, probably around 1962
• Country: Switzerland
• Identification: Movement marked with F 4007N. Original datasheet from 1962 available.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)