Landeron 4751

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11 1/2”’ | Electro Mechanical Balance | Sweeping Seconds |

Remarks:

  • Sweeping seconds with hacking

 

  • Listing ID: 3489
  • Manufacturer / Brand: Landeron
  • Caliber: 4751
  • Size in French Lignes: 11 1/2'''
  • Shape: Round
  • Winding: Battery
  • Hands Setting: Crown
  • Seconds Hand: Sweeping seconds (central seconds)
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 13
  • Setting Lever Screw/Pin Position: Center
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: Incabloc
  • Beats per hour: 18,000
  • Balance Type: Mono-/Bimetallic screw balance with Breguet hairspring | Glucydur | Nickel | Brass
  • Power Reserve: Unknown
  • Production Period: Around 1960
  • Identification: Original data sheet from 1963 available.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-24#post-3464853
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member JackDaniels83

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