Certina 330-5445, Screw for setting lever spring

• CERTINA original screw, NOS without factory packaging.
  
• 1 pcs (2 pcs/movement)

• Fits cal: 330, 331
  

Data Certina 330

• 15 jewels, manual wind, sub second.
• Size: 13''' 29.4 mm.
• H: = 4.40 mm.
• N: = 18.000 A/h.
• Power reserve: 50 h.
• Mainspring: 2.10 x 11 - 0.125 - 400

Versions:

• 330: sub second.
• 331: sub second, different bridge design.