This class encompasses the basics of hairspring manipulations. You will start with a uncolletted, unstudded hairspring. One error at a time will be introduced, and correction and the logic behind […]

This class encompasses the basics of hairspring manipulations. You will start with a uncolletted, unstudded hairspring. One error at a time will be introduced, and correction and the logic behind […]

This class encompasses the basics of hairspring manipulations. You will start with a uncolletted, unstudded hairspring. One error at a time will be introduced and correction and the logic behind […]