CERTINA cal: 13.10 - 13.22

Technical data Certina cal: 13.20

  • 17 jewels, manual wind.
  • Size: 5.75 x 6,75''' 13 x 15.25 mm.
  • H: = 3.55 mm.
  • N: = 19.800 A/h.
  • Power reserve: 43 h.

Versions:

  • 13.10:    N: = 18.000 A/h.
  • 13.11:    N: = 19.800 A/h.

New generation, some parts are the same.

  • 13.20:    N: = 19.800, no threads for casing clamps.
  • 13.21:    N: = 19.800, threads for casing clamps.
  • 13.22:    N: = 21.600, threads for casing clamps.