6 3/4 x 8”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Movement family:
  • Ronda 6061-21: no seconds
  • Ronda 6063-21: indirect sweeping seconds
  • Ronda 6065-21: direct sweeping seconds

• Listing ID: 3015
• Manufacturer / Brand: Ronda
• Caliber: 6063-21
• Size in French Lignes: 6 3/4 x 8'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• 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: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: KIF TRior
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1980
• Country: Switzerland
• Identification: Marked 6063.21 and RAX (Ronda brand) under the balance. Included on a Ronda data sheet from 1981.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: http://Marked%206063.21%20and%20RAX%20(Ronda%20brand)%20under%20the%20balance.%20Included%20on%20a%20Ronda%20data%20sheet%20from%201981