Mainspring 7/8" X .0125" X 67" Hole

MS-233

7/8" X .0125 X 67"

22 X .32 X 1700 X 38

New Haven 3 Plate

Hole End High Quality. Made in Germany

We Also Recommend

Repairs:Techniques; Mainsprings; Bushings

Striking Clock Repair Guide

Chime Clock Repair 2nd Edition

Escapements

Building An American Clock Mvt