6 3/4 x 8”’ | Hand Wind | Swiss Lever | No Seconds |

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: 12916
• Manufacturer / Brand: Bifora
• Caliber: 691
• Size in French Lignes: 6 3/4 x 8'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Bishock
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: 1968 - 1980
• Country: Germany
• Identification: Marked with B in circle and 691 under the balance wheel. Listed in the Flume K3 catalog from 1972.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)