Used 3-4 times for dinner parties. Still in brand new shape. No dings or any kind of marks on the case, crystal or dial.
Brand new, it goes for $564

Will sell for $400 cash or paypal. Meet inside Stanford Federal Credit Union for the face to face deal :)

This is the 42mm model. Here is the link to the exact specs.
http://www.hamiltonwatch.com/collection/khaki/aviation/aviation-auto/h76565725

This is a automatic watch which doesn't need a battery.