Helvetia 830

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Helvetia inhouse movement with strange designed bridges? The movement has an extra train wheel to make space for a higher barrel and mainspring, the Helvetaia engineers was the first to think of this (and the last).


Technical data Helvetia cal: 830


  • 17/21 jewels, manual wind, sweep second.

  • Size: 11.5''' 25.60 mm.

  • H: = 4.3 mm.

  • N: = 18.000 A/h.

  • Power reserve: 44 h.

  • Mainspring: 1.40 x 10 - 012 - 290 mm.


Versions:


  • 830: manual wind.

  • 837: automatic.

  • 838: automatic, redesigned from 837.

  • 844: automatic, date.

  • 845: automatic.