Excellent condition.
Stored in a warehouse.
There are documents and original packaging.
Diameter 472 mm
Weight 3.200 kg
See the photo. 
I do not know how this works.

Secondary (controllable) clocks have a similar name largely because they are a kind of slave clock that is designed to display the current time. The secondary clock operates from a clock station, which issues pulses (minute or second). It should be understood that the secondary clocks themselves do not measure time, but only broadcast the information they received from a single information center. Secondary clocks are sometimes called slave clocks, since they follow the master (primary clock) and accurately execute all the commands that the primary station sends them.
The exact time system can contain several secondary clocks at the same time, and all of them can be controlled from one center - this ensures synchronization in the operation of the entire system.


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I selling this AS IS working condition unknown. 

I do not check for and do not know if there is any issues that are not visible on outer case
All my items are sold in as shown condition I do not know if they will work and do not guarantee them to work once received they are SOLD AS IS

You have collectible item that increase in value over time & perfect gift idea as well

Each my item will be very carefully packaged and shipped after payment has been cleared.
I ship worldwide by reliable carrier providing a tracking number.
If you have any questions or require further information concerning the item, feel free to contact me.

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