Otero 146

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

Remarks:

  • Click on the dial side
  • Movement family:
    • Two-arm balance, fixed hairspring stud-holder:
      • 44: Direct sweeping seconds, without date, 17/21 jewels
      • 441: Direct sweeping seconds, date, 17/21 jewels
      • 46: Small seconds, without date, 15/17 jewels
    • Three-arm balance, mobile hairspring stud-holder:
      • 144: Direct sweeping seconds, without date, 17 jewels
      • 1441: Direct sweeping seconds, date, 17 jewels
      • 146: Small seconds, without date, 15/17 jewels

 

  • Listing ID: 2262
  • Manufacturer / Brand: Otero
  • Caliber: 146
  • 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: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: Trishock
  • Beats per hour: 18,000
  • Balance Type: Nickel
  • Power Reserve: Approx. 45 hours
  • Production Period: Unknown, probably around 1970
  • Identification: Movement marked with Otero logo and 146. Original data sheet available. Listed in the Flume K3 catalog from 1972.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-39#post-5169242
  • Country: Germany
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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