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Hi Tom, I have tried to do a bit of research on the net but I am mostly getting stuff from guys who hand clean with it. I use L&R watch cleaner so I cant answer your question but what you could do is run it for a minute a time on an old dirty movement and see how long it takes to get clean. With watch fluids you dont tend to run them for longer than 3 minutes, normally two minutes is enough unless it is in a real horrible state but then you have to remove any shellaced parts or it will melt it.