I Stand corrected regarding the PO chrono then. My mistake.
BUT
"The early wear is the result of 7 years of use with no service. Unfortunately, many watch owners bypass the advice of the manufacturer to oil and clean the watch periodically. Mechanical watches should be cleaned and oiled every 2-3 years. You will rarely find a watch with no problem after even 5 years without servicing. "
I would fully expect the movement to have issues if it went 7 years with no service.
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