Helvetia 830

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11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds

 

  • Listing ID: 8096
  • Manufacturer / Brand: Helvetia
  • Caliber: 830
  • Size in French Lignes: 11 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: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 21
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: Incabloc
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance
  • Power Reserve: Unknown
  • Production Period: Unknown, probably around 1957
  • Identification: Movement marked with HELVETIA 830. Listed in the Flume K1 in the part from 1957.
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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