6 3/4 x 8”’ | Hand Wind | Swiss Lever | No seconds |

Remarks:

• Rocking bar winding
• Click on the dial side
• Same movement with 10 jewels: Osco 78

• Listing ID: 6682
• Manufacturer / Brand: Osco
• Caliber: 72
• 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: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: Rufarex
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1962
• Country: Germany
• Identification: Listed in the Flume K2 catalog from 1962.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)