Swiss Bergeon 30105 3.50mm Centre Hole Hairspring Holder Replaced By Bergeon 30108

Bergeon 30105 Support for Holding Watch Balance Hairsprings.
Polished stainless steel round setting with a glass top.
Chromium-plated bottom.
Overall diameter: 35mm.
Available with 3.50mm center hole.
Made in Switzerland.
We sell only brand new products.
100% Made by Bergeon, Switzerland, and brand new.