Ronda 1233-21

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12”’ | Hand Wind | Swiss Lever | Sweeping Seconds |

Remarks:

  • Movement family:
    • Ronda 1033: 18,000 bph, 10 1/2”’, no date
    • Ronda 1033-21: 21,600 bph, 10 1/2”’, no date
    • Ronda 1035: 18,000 bph, 10 1/2”’, date
    • Ronda 1037-21: 21,600 bph, 10 1/2”’, date
    • Ronda 1133: 18,000 bph, 11 1/2”’, no date
    • Ronda 1133-21: 21,600 bph, 11 1/2”’, no date
    • Ronda 1135: 18,000 bph, 11 1/2”’, date
    • Ronda 1137-21: 21,600 bph, 11 1/2”’, date
    • Ronda 1233: 18,000 bph, 12”’, no date
    • Ronda 1233-21: 21,600 bph, 12”’, no date
    • Ronda 1235: 18,000 bph, 12”’, date
    • Ronda 1237-21: 21,600 bph, 12”’, date

 

  • Listing ID: 8670
  • Manufacturer / Brand: Ronda
  • Caliber: 1322-21
  • Size in French Lignes: 12'''
  • 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: 17
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Left (240 - 360°)
  • Shock Protection: KIF Protechoc
  • Beats per hour: 21,600
  • Balance Type: Nickel
  • Power Reserve: Movement marked with RAX, a tradmark of Ronda, and 1233-21. Listed in a Ronda movement table from 1976.
  • Production Period: Unknown
  • Identification: Unknown
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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