How do I open my Atmos clock?

The Locking Lever for the Pendulum on most Atmos Clocks is located either directly under the Dial, or directly underneath the Base on the front the clock. Moving the lever to the LEFT - UNLOCKS the Pendulum, to the RIGHT - LOCKS the Pendulum.

How do you date a LeCoultre Atmos clock?

The Serial Number of an Atmos Clock is usually located on the top of the Movement, by the Speed Adjustment Lever. On some very older models, the serial number may actually be on the front of the Movement -near the hands and on Antique Reutter Clocks the serial number is often on the Back Drum portion.

What is a perpetual clock?

Marvel at the laws of physics when you check the time using this perpetual motion clock. This unique and ornate timepiece features a series of mechanical gears and metallic marbles that run along a specialized track to indicate the time of day.