Certina 12.10-430, Click spring

• CERTINA original part, new without factory packaging.
  

• Fits cal: 12-10, 12-11

Technical data Certina cal: 12-10

• 17 jewels, manual wind.
• Size: 5.5 x 7''' 12.15 x 15.55 mm.
• H: = 3.5 mm.
• N: = 18.000 A/h.
• Power reserve: 46 h.
• Mainspring: 1.35 x 5.5 - 0.065 - 210 mm.

Versions:

• 12-10: 18.000 A/h.
• 12-11: 19.800 A/h.