TISSOT cal: 28.5-1 - 31-21


Versions:

  • 28-1:          sub second.
  • 28-21:        sweep second.
  • 28,5-1:       sub second, plate with mounting flange.
  • 28,5-21:     sweep second, plate with mounting flange.
  • 28,5 N-21:  sweep second, second time zone, Navigator.
  • 31-1:          sub second, bigger plate.
  • 31-21:        sweep second, bigger plate.