Certina 17.25-5166, Screw for case clamp

• CERTINA original screw, not in factory packaging.

• 1 pcs.

• Fits cal: 17.25, 17.251
  

Versions, Manual wind:

• 17-10:   18.000 A/h, manual wind, sub second.
• 17-11:   18.000 A/h, manual wind, sub second, maunting flanges on plate.
• 17-12:   19.800 A/h, manual wind
• 17-25:   19.800 A/h, manual wind, sweep second.
  
• 17-251: 19.800 A/h, manual wind, sweep second, date.