Lorsa 237 BT

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

 

  • Listing ID: 3249
  • Manufacturer / Brand: Lorsa
  • Caliber: 237 BT
  • 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: 15
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance
  • Power Reserve: Unknown
  • Production Period: Unknown, probably from around 1945/50
  • Identification: Marked with the Lorsa logo and 237 B on the dial side. According to Ranfft, the normal 237 B has a small second, the movement with center second is a 237 BT.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-27#post-3692062
  • Country: France
  • Contributor ©: Uhrforum.de member buchenhain

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