Certina 13.20-200, Center wheel with cannon pinion

• CERTINA original parts in very good used condition.

• Fits cal: 13-20, 13-21

Versions:

• 13-20: N: = 19.800 A/h, no threads for case clamps.
  
• 13-21: N: = 19.800 A/h.
  
• 13-22: N: = 21.600 A/h.
  

About our used parts!

All our used parts are cleaned and thoroughly checked by a watchmaker, often they comes from a working movement. Minor imperfections may occur, but nothing that affects the function.