Landeron 13 (13''')

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Example movement: Signed Brevet and "53" on the dial side, flat balance hairspring. Aprox: 1940.


Technical data: Landeron 13

  • 17 jewels, manual wind single pusher chronograph, pillar wheel, 60 s, 30 min, sub second.
  • Size: 13''' 29.6 mm.
  • H: = 6.20 mm.
  • N: = 18.000 A/h.
  • Power reserve: 42 h.
  • Mainspring: 1,35 x 12 - 0,14 - 400 (Prima: 135 U 40).


Versions:

  • 11: -
  • 13: stronger mainspring.