Bifora 691 CLD = Dugena 714

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7 x 8”’ (base movement 6 3/4 x 8”’) | Hand Wind | Swiss Lever | No Seconds | Date |

Remarks:

  • Movement family:
    • Bifora 69: no date
    • Bifora 69 CAL: date
    • Bifora 691: like 69, new minute wheel bearing, different banking pins
    • Bifora 691 CAL: like 69 CAL, new minute wheel bearing, different banking pins

 

  • Listing ID: 441
  • Manufacturer / Brand: Bifora
  • Caliber: 691 CLD = Dugena 714
  • Size: 7 x 8''' (base movement 691: 6 3/4 x 8''')
  • Shape: Form
  • Winding: Manual (Crown)
  • Hand Setting: Crown
  • Seconds Hand: None
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date & Day: Date
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Left (240 - 360°)
  • Shock Protection: Bifora Bishock
  • Beats per hour: 21,600
  • Balance Type: Nickel?
  • Power Reserve: Approx. 40 hours
  • Production Period: 1968 - 1980
  • Identification: Movement plate marked with the Bifora logo and 691. Shown in the Flume K3 catalog from 1972.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-58#post-8126200
  • Country: Germany
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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