Hamilton Pocket Watches

How can I determine the value of an old pocket watch?

I have a very old gold pocket watch that was inherited. It is not in working condition. I believe the make is Hamilton. Is there somewhere online that I can research the value of this item rather than relying on what a pawn shop might give me?

About.com has a few sites for online appraisers:

http://antiques.about.com/cs/onlineappraisals/

Hamilton 910 Movement Pocket Watch

Pocket Watch Mainspring #611 16 Size fits Hamilton $86.25 New Pocket Watch 16S Mainspring for Hamilton Pocket Watches. This is a new size 16S mainspring for a Hamilton watch. This mainspring is superior quality and leads the field. The edges are rounded to reduce friction in the barrel. It is oiled before going into the package and the wrapper is chemically tested to secure freedom from moisture. Dennisons of 19 1/2 x 4 x 21 1/4….

19th and 20th Century Pocket Watches Collectors Price Guide $25.18 …