Longines 4LL = Longines 13.15

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5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

  • Movement family:
    • Longines 4LL = Longines 13.15: 18,000 bph, no shock protection
    • Longines 4LLV = Longines 13.15V: 19,800 bph, Incabloc shock protection

 

  • Listing ID: 8256
  • Manufacturer / Brand: Longines
  • Caliber: 4LL = 13.15
  • Size in French Lignes: 5 3/4 x 6 3/4'''
  • 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: Right
  • Balance Position: Right (0 - 120°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance, bimetallic screw balance
  • Power Reserve: Unknown
  • Production Period: 1937+
  • Identification: Wheel train bridge marked with Longines and 4LL. As Longines 13.15 listed in the Classification Horlogère from 1939.
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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