10 1/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• The movement is available in three different versions with different heights:
  • Longines 10.85: Height 4.0 mm (from 1903)
  • Longines 10.85N: Height 3.6 mm (from 1909)
  • Longines 10.85M: Height 2.8 mm (from 1909)
• Crown wheel, ratchet wheel and click underneath the barrel bridge

• Listing ID: 7337
• Manufacturer / Brand: Longines
• Caliber: 10.85N
• Size in French Lignes: 10 1/4'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 18
• Setting Lever Screw/Pin Position: Center
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: From 1909 (source: http://m.iwatch365.com/thread-15944844-1-1.html)
• Country: Switzerland
• Identification: Movement marked with Longines on the dial side and with 10.85N.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)