Certina 12.10-5445, Screw for setting lever spring

• CERTINA original screw, new without factory packaging.
  

• 1 pcs (2 pcs/movement)

• 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.