Longines 12.68Z-430, Click spring

• NOS LONGINES original part without factory packaging.
  

• Fits cal: 12.68Z, 12.68N, 12.68 stop, 12.68 quantieme, 27.0, 27.0 sec. centre.

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.