11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Movement family:
  • Jeambrun 23D: 10 1/2”’, hand winding, no date
  • Jeambrun 23D AUT: 10 1/2”’, automatic, no date
  • Jeambrun 23DC: 10 1/2”’, hand winding, date
  • Jeambrun 26D: 11 1/2”’, hand winding, no date
  • Jeambrun 26DC: 11 1/2”’, hand winding, date

• Listing ID: 8099
• Manufacturer / Brand: Jeambrun
• Caliber: 26D
• Size in French Lignes: 11 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: Right (0 - 120°)
• Shock Protection: M. T. Antichoc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 48 hours
• Production Period: Unknown, probably around 1961.
• Identification: Dial side marked with Jeambrun logo. Original datasheet available. Listed in the QuickFit catalog from 1961.
• Country: France
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)