ETA 2551 = Dugena 3309

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7 3/4”’ | Automatic | Swiss Lever | Direct Sweeping Seconds | Date |

Remarks:

  • Movement family:
    • ETA 2540: hand winding, no date
    • ETA 2541: hand winding, date
    • ETA 2550: automatic, no date
    • ETA 2551: automatic, date

 

  • Listing ID: 7366
  • Manufacturer / Brand: ETA / Dugena
  • Caliber: ETA 2551 = Dugena 3309
  • Size in French Lignes: 7 3/4'''
  • Size range mm largest diameter: 0 - 22 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: Left
  • Balance Position: Right (0 - 120°)
  • Shock Protection: Incabloc
  • Beats per hour: 21,600
  • Balance Type: Glucydur, Nickel
  • Power Reserve: Approx. 42 hours
  • Production Period: 1965-1972
  • Identification: Movement marked with ETA logo and 2551 under the balance wheel. Original datasheet available.
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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