Buser 310

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

Remarks:

  • Vibraflex (see inscription on the barrel bridge) is the name for a special form of balance wheel (extra picture)

 

  • Listing ID: 3365
  • Manufacturer / Brand: Buser
  • Caliber: 310
  • Size: 10 1/2'''
  • Shape: Round
  • Winding: Manual (Crown)
  • Hand Setting: Crown
  • Seconds Hand: Sweeping seconds (central seconds)
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date & Day: None
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Nickel
  • Power Reserve: Unknown
  • Production Period: Unknown, probably around 1960
  • Identification: Barrel bridge marked with the Buser logo and 310. Listed in the Flume K2 catalog of 1962, but without illustration.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-25#post-3609170
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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