Jan Lot 10- Assortment of Swiss NOS Blued Hairsprings

This is a large assortment of Swiss NOS Blued Hairsprings. These are very early quality hairsprings with no collets or studs. However, they are new old stock, and some packages have 4 or 5 and some have 8 or 10 in them. These are a real find for any serious watch repair person doing quality watch repair. You can never have enough hairsprings like this on hand. There are at least 100 hairsprings in this assortment.