Certina 13-20, Main spring, no: 770

Certina 13-20, Main spring, no: 770

  • 90 kr
    Unit price per 
Tax included.



  • Manufacturer: Prima, no: 135 D 21

  • Fits cal: 13-20, 13-21

  • H: 1,35

  • D: 5,5

  • F: 0,065

  • L: 210


Versions:


  • 13-20: N: = 19.800, no mountings.

  • 13-21: N: = 19.800, mounting threads.

  • 13-22: N: = 21.600, mounting threads.