The Bergeon 5356 is a professional-grade toolkit crafted for watchmakers needing precise control over mainsprings. This set includes 17 hardened steel winders of varying sizes, compatible with both left-hand and right-hand mainsprings. Their steel construction ensures durability and long-term reliability, even under repeated use. Each winder’s size offers optimal compatibility with different mainspring diameters and curves, making this set a versatile solution for repairing or servicing mechanical watches of all types. The carefully machined ends grip the mainspring securely without slipping, ensuring stable winding while minimizing risk of deformation. Whether you're working on vintage pocket watches or modern wristwatches, this Bergeon 5356 set provides the essential tooling to handle delicate mainspring work, improving accuracy and safety when adjusting or replacing power sources in fine movements.

Bergeon No. 5356