This is a Vintage Croton Aquamatic Automatic Self Winding Watch. It is Running presently and appears to be in good shape with only minor scuffs and scratches on the face and case from normal use. Has engraved name and Air Force serial number on the back  .Please view the photos for details and feel free to ask questions. As with all watches guarantees cannot be given regarding reliability and / or accuracy & recommended that a service is completed on a regular basis.