Broken Chess Clock


I found a chess clock, on the display are the words Corsar and 4 steine.

One of the clocks is working fine, the other ticks for a little while, then stops. When I started tinkering with it the big spring was fully tightened and seemed to be stuck. I released it and wound it again but it still has the same problem.

Any tips are welcome!


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by: Anonymous

Thank you very much for the help! The clock is currently in the (hopefully) able hands of an acquaintance who unexpectedly turned out to be an amateur clock repair man. I only hope I didn't manage to mess it up with my clumsy attempts before... :D


Chess clock
by: Bill

The most common reason for this problem is old dirt and oil that forms a crusty hard material that eventually stops the clock from running.

If you feel uncomfortable cleaning the movement, drying it completely, and then oiling the pivots with a clock oil, and greasing the main spring with the proper mainspring grease (or heavy oil made for this purpose) then you need to take it to a clock repair shop and they can do it for you.

If you do it yourself, you can get the materials you need online at


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