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

Remarks:

• Movement family:
  • Longines 23Z: small seconds
  • Longines 23ZD: small seconds, date
  • Longines 23ZS, 23ZN: sweeping seconds
  • Longines 23ZSD: sweeping seconds, date

• Listing ID: 12823
• Manufacturer / Brand: Longines
• Caliber: 23Z
• 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: Small 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: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Approx. 44 hours
• Production Period: 1948+
• Country: Switzerland
• Identification: Movement marked with Longines 23Z.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)