Waterbury Walnut regulator #9

Waterbury LARGE time only with second hand . Called the walnut regulator #9.
The suspension is .0025 inches strong. The distance between the pins on the suspension is
very critical because of the way the pendulum hooks on to the suspension. The distance
should be .895 inches. The thickness of the brass used in the suspension should be
.060 inches. The pendulum is extremely heavy. It attaches to the suspension by means
of a screw and a hook.