marks on old pocket watch

[Running Slow]

I have an old pocket watch with a cross marking on the movement I assume Swiss serial#13522
the watch appears to be gold with the following marks inside of 3 shields F W C
sorry had toruble posting pictures

RunningSlow
http://farm1.static.flickr.com/187/3820 ... 1fad74.jpg" onclick="window.open(this.href);return false;
http://farm1.static.flickr.com/151/3820 ... 07205f.jpg" onclick="window.open(this.href);return false;
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[2209patrick]

I can't help you much, don't know much about Swiss marks.
Here's a site that might help you.

http://poincon.blogspot.com/" onclick="window.open(this.href);return false;

Regards,
Pat.
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