10 1/2”’ | Hand Wind | Pin Lever | Direct Sweeping Seconds |

Remarks:

• Movement family:
  • 8 3/4”’:
    • EB 8460: no seconds
    • EB 8461: direct sweeping seconds
    • EB 8462: no seconds, digital display of hours and minutes
    • EB 8463: direct sweeping seconds, digital display of hours and minutes
    • EB 8464: no seconds, date
    • EB 8465: direct sweeping seconds, date
    • EB 8466: no seconds, date, day
    • EB 8467: direct sweeping seconds, date, day
  • 10 1/2”’:
    • EB 8480: no seconds
    • EB 8481: direct sweeping seconds
    • EB 8482: no seconds, digital display of hours and minutes
    • EB 8483: direct sweeping seconds, digital display of hours and minutes
    • EB 8484: no seconds, date
    • EB 8485: direct sweeping seconds, date
    • EB 8486: no seconds, date, day
    • EB 8487: direct sweeping seconds, date, day
    • EB 8481-73: unknown modifications 1973
    • EB 8481-74: unknown modifications 1974
  • 11 1/2”’:
    • EB 8490: no seconds
    • EB 8491: direct sweeping seconds
    • EB 8492: no seconds, digital display of hours and minutes
    • EB 8493: direct sweeping seconds, digital display of hours and minutes
    • EB 8494: no seconds, date
    • EB 8495: direct sweeping seconds, date
    • EB 8496: no seconds, date, day
    • EB 8497: direct sweeping seconds, date, day
• Suffix: -xx, e. g. -73, -74: modifications done in 19xx

• Listing ID: 6901
• Manufacturer / Brand: EB
• Caliber: 8481-73
• 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: Sweeping seconds (central seconds)
• Escapement: Pin Lever
• Date, Day, Month...: None
• Jewels: 1
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Novodiac?
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1973
• Identification: Movement marked with EB logo and 8481-73 under the balance wheel.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)