ETA 2750

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11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

  • Hacking seconds optional
  • Movement family (see extra picture):
    • Hand winding, 21,600 bph:
      • ETA 2750: no date
      • ETA 2752: date (quick-setting by repeatedly changing 20 – 24 o’clock)
      • ETA 2763: date (quick-setting on middle crown position)
      • ETA 2769-1: date (quick-setting on middle crown position), day (quick-setting on middle crown position)
    • Hand winding, 28,800 bph:
      • ETA 2751: no date
      • ETA 2764: date (quick-setting on middle crown position)
    • Automatic, 21,600 bph:
      • ETA 2776: no date
      • ETA 2773: date (quick-setting by repeatedly changing 20 – 24 o’clock
      • ETA 2781: height 5.9 mm, date (quick-setting on middle crown position)
      • ETA 2783: height 5.2 mm, date (quick-setting on middle crown position)
      • ETA 2789-1: date (quick-setting on middle crown position), day (quick-setting on middle crown position)
    • Automatic, 28,800 bph (rotor with ball bearings optional):
      • ETA 2791: height 5.9 mm, date (quick-setting on middle crown position)
      • ETA 2784: height 5.2 mm, date (quick-setting on middle crown position)
      • ETA 2790-1: date (quick-setting on middle crown position), day (quick-setting on middle crown position)

 

  • Listing ID: 7204
  • Manufacturer / Brand: ETA
  • Caliber: 2750
  • Size in French Lignes: 11 1/2'''
  • Size range mm largest diameter: 22 - 31 mm
  • Shape: Round
  • Winding: Manual (Crown)
  • 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: Left
  • Balance Position: Right (0 - 120°)
  • Shock Protection: Incabloc
  • Beats per hour: 21,600
  • Balance Type: Nickel
  • Power Reserve: Unknown
  • Production Period: Unknown, probably around 1972
  • Identification: Movement marked with ETA 2750 under the balance wheel. Listed in the Flume K3 catalog from 1972.
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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