LONGINES 12.68Z - 12.68ZS
Versions:
- 12.68Z: sub second, H=4,25 mm.
- 12.68ZS: 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.
