Longines 12.68Z-722, Balance with Breguet hairspring

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  • New replacement balance for Longines 12.68Z with Breguet hairspring. Manufacturer: Renata

  • Fits cal: 12.68Z, 12.68N, 27.0, 12.68Z stop (for shock-resist and Incabloc).


Data: Longines 12.68Z


  • 17 jewels, manual winding.

  • Size: 12''' 27,0 mm.

  • H: = 4,25 mm.

  • N: = 18000.

  • Power reserve: 40 h.


Versions:


  • 12.68Z: sub second, H=4,25 mm.

  • 12.68N: sweep second, H=5,45 mm.

  • 12.68Z: Quantieme, calendar, sub second, H=5,10 mm.

  • 12.68Z: Stopseconde, "chronograph", H=6,10 mm.


Each version with flat or Breguet hairspring, no shock protection, shock resist or incabloc.