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, day
  • 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, day
  • 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, day

• 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)