Longines 27M, Shock resist

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  • Movement number: 8 220 942 (aprox: 1951).


Technical data LONGINES 27M


  • 17 jewels, manual winding, sub second.

  • Size: 12''' 27,0 mm.

  • H: = 3.2 mm.

  • N: = 18.000 A/h.

  • Power reserve: 40 h.


Versions:


  • 27.0: sub second, Breguet hairspring, H=4,25 mm.

  • 27.0 S: sweep second, Breguet hairspring, H=5,45 mm.

  • 27.0: shock resist, sub second, Breguet hairspring.

  • 27.0 S: shock resist, sweep second, Breguet hairspring.

  • 27M: sub second, flat hairspring, H=3,20 mm.

  • 27MS: sweep second, flat hairspring, H=4,30 mm.

  • 27M: shock resist, sub second, flat hairspring.

  • 27MS: shock resist, sweep seccond, flat hairspring.