8 3/4 x 12”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Rocking bar winding
• Click on the dial side
• Movement family:
  • Movement family:
    • Osco 42: 8 3/4 x 12”’, base movement, no date
    • Osco 42 CLD: 11 x 12”’, pointer date

• Listing ID: 11200
• Manufacturer / Brand: Osco
• Caliber: 42
• Size in French Lignes: 8 3/4 x 12'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1949
• Identification: Movement marked with Dugena 550. Listed as Osco 42 in theJacob catalog from 1949.
• Country: Germany
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)