ETA 1280 = Benrus DM 21

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10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

  • Same movement with bigger base plate of 11 1/2”’: ETA 1281

 

  • Listing ID: 7137
  • Manufacturer / Brand: ETA / Benrus
  • Caliber: ETA 1280 = Benrus DM 21
  • Size in French Lignes: 10 1/2'''
  • Size range mm largest diameter: 22 - 31 mm
  • Shape: Round
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Small 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: Benrus specific
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance
  • Power Reserve: Unknown
  • Production Period: Unknown, probably around 1955
  • Identification: Movement marked with BENRUS MODEL DM 21. As ETA 1280 listed in the "Official Catalogue of genuine Swiss Watch repair parts" from 1955.
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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