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

Remarks:

• Rocking bar winding
• Click on the dial side
• Balance without shock protection in plastic settings
• The movement shown here is missing the cannon pinion, minute wheel and hour wheel

• Listing ID: 4758
• Manufacturer / Brand: Ronda
• Caliber: 433
• 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: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 7
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Nickel?
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1980
• Identification: Ronda mark RE and marking 433 on the bridge.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-6#post-1725516
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)