What is a 400 day clock?
Thereof, why does my 400 day clock stop?
Let the Anniversary Clocks Pendulum balls settle down from jiggling around and notice where they stop. Now rotate the balls 1/2 of a revolution and gently let go. When it's time to repair a 400 day clock, two things usually need to be done. The suspension spring gets replaced and the movement gets cleaned.
In respect to this, what is a kundo clock?
Kundo Anniversary clocks Anniversary clocks are long-running torsion pendulum clocks, also known as 400-day clocks. They often feature glass bowls around the main body of the clock. Kundo anniversary clocks were first produced in 1923 and are now highly collectible.
An effective way to regulate a 400 day clock is to grasp the pendulum when as comes to a stop at the end of a rotation, hold it in place, turn the regulating disc, then release the pendulum.