800 Silver Open Faced shop pocket watch, European for repair

This is a vintage pocket watch for repair or parts. I have had a watch repair person look at it and needs a new main spring and noted as European.It is noted .800 on inside of back. Interesting design on back of case and front dial in shop good condition. Serial number is 31244 with a 5 under it. It needs a winding stem. Project watch and sold as is.

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Priority shipping included

Thank you for looking