Instructions | Kassel 31 Day Wall Clock

The performance of a Kassel 31-day wall clock depends entirely on its vertical alignment. If the clock is not level, the pendulum will not swing correctly, or the clock will stop.

A: No. Many 31-day "time-only" clocks exist. If your dial has only one winding hole, it is a time-only model.

A: Only if it has a double-ended crank design. Standard keys (single square hole) do not provide enough leverage. Using pliers on the arbor will strip the square. kassel 31 day wall clock instructions

Listen to the "tick-tock." It should be even and rhythmic, like a metronome. If it sounds uneven (a "limping" sound), the clock isn't level. You can subtly tilt the case left or right until the beat is perfectly balanced.

If your clock is gaining or losing time, you must adjust the "bob" (the weight) at the bottom of the pendulum. The performance of a Kassel 31-day wall clock

As you turn the minute hand, pause at the 12 and 6 positions to let the clock finish its chime before moving to the next position. Fixing a Mis-strike:

: Turn the adjustment nut left (downward) . This lengthens the pendulum, slowing its swing. Many 31-day "time-only" clocks exist

Unlike a quartz clock, a mechanical Kassel needs love.

If your clock still fails to run after following these instructions, seek a professional member of the NAWCC (National Association of Watch and Clock Collectors) or a local clockmaker. Never attempt to open the mainspring barrels yourself—the stored energy can cause serious injury.

Tick tock. See you in 31 days.

Use a sturdy screw anchored into a wall stud. The clock must be as level as possible for the pendulum to swing correctly. The "Beat":