Certina 17-351

• 
  27 jewels, automatic wind, date, balance stop function.
• 
  S: = 7,75''' 17,20 mm.
• 
  H: = 4,90 mm.
• 
  N: = 21600.
• 
  Power reserve: 50 h.

Versions:

• 
  17-35: automatic.
• 
  17-351: automatic, date.
• 
  17-36: manual wind.
• 
  17-361: manual wind, date.