It is not harmful to wind the clock more often.
Pendulum wall clock has two winding holes.
Windup clocks and keys clocks that require actual winding will have anywhere from one to three winding holes on the body of the clock often in the back facing.
This is a time and strike clock.
For clocks with hanging weights raise the weights using the crank.
Clocks with three winding arbours chime on the quarter hour making a musical tone.
I have made an innumerable number of house calls over the last thirty two years because of this myth.
The hole on the right is used to power the time train and make the clock keep time.
If there is one hole it is a time only clock.
The hole on the left is used to power the strike train which make the clock strike at the top of the hour.
I have set up thousands of clocks on outside walls and have never heard a complaint from a single customer that it has caused any kind of problem.
Depending upon the model of your clock there can be 1 2 or 3 winding key holes.
Insert the winding key into the holes located in the dial face.
Wind the other one or two winding points the same way if your clock chimes on the hour or quarter hour.
Winding holes in clock faces.
Turn the key clockwise until the spring becomes tight and will not turn further.
Timepieces have only one winding hole in the face because they do nothing but tell time.
A clock that strikes on the hour has two winding holes one for keeping time and one for striking.
You must lift the weight when winding a chain driven floor clock.
Do this every seven days to prevent the clock from stopping or losing time.
If there are 2 holes it means that it is a time and strike clock that is it strikes the appropriate hour on the hour and either a bell or strike on the half hour there are always exceptions such as this two train westminster chime clock or a time only clock with an alarm arbour.
Generally speaking if the clock has a single hole that hole controls the main time spring.
If a clock does not strike a gong on the hour it is technically called a timepiece.
Winding holes in clock faces are for different functions of the clock.
To prevent over winding your cables allow the entire pulley to be visible under the face of the clock.
If your clock is cable driven you will wind all three weights with a crank key.
Winding the arbor in this hole will give the clock power to keep time.