Mainsprings for Swiss Watches

 

Generic Swiss blue steel mainsprings are $7.00 each for any size that I have in stock. White alloy springs are $10.00 each. Specify width, strength, length and end style when ordering.

 

Factory mainsprings for brands such as Bulova, Longines, Gruen, and Wittnauer are $8.00 each for any size that I have in stock. Specify brand and model number when ordering.

 

Dennison to Metric Conversion for Width and Strength