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

Remarks:

• Rocking bar winding
• Click on the dial side
• Movement family:
  • Osco 200: no date
  • Osco 201: date

• Listing ID: 19668
• Manufacturer / Brand: Osco
• Caliber: 200
• 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: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Rufarex
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Approx. 48 hours
• Production Period: Unknown, probably around 1962
• Country: Germany
• Identification: Movement listed in the Flume K2 catalog from 1962.
• Contributor ©: Anonymous