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

Remarks:

• Movement family:
  • Kurth Frères KF / Certina 260: height 4.2 mm, seperate cock for escape wheel
  • Kurth Frères KF / Certina 261: height 4.2 mm, escape wheel under wheel train bridge
  • Kurth Frères KF / Certina 262: height 5.0 mm, seperate cock for escape wheel
  • Kurth Frères KF / Certina 263: height 5.0 mm, escape wheel under wheel train bridge

• Listing ID: 19904
• Manufacturer / Brand: Kurth Frères KF / Certina
• Caliber: 260
• Size in French Lignes: 17'''
• Size range mm largest diameter: 31 - 40 mm
• Shape: Round
• 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: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1947
• Country: Switzerland
• Identification: Movement marked with KF 260. Listed in the Flume K1 catalog in the part from 1947.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)