![Arbor for Bergeon Mainspring Winder Right Handed Arbor for Bergeon Mainspring Winder Right Handed](https://cdn11.bigcommerce.com/s-iic0hc/images/stencil/300x300/products/49762/96557/mainspring_winding_arbor_2729-MND__16640.1658723486.jpg?c=2)
Bergeon Mainspring Winders in right and left hand operation. Sizes available from 5.3mm to 19mm. Swiss made. Right hand has red dot and left hand has a blue dot.
- Right and left hand mainspring winders
- 17 Sizes for each hand from 5.3mm to 19mm
- Swiss made
Looking for a replacement mainspring for your watch but cannot find it on our website? Email us for cost and availability and we may have it for you.