The movement is a 18s Ball Hamilton 999A 21j. The watch is running but the last service is unknown. The crystal does have some scratches. The dial has a chip at the setting lever and a few fine hairlines with the most noticeable below the seconds chapter at 28.The front and back screw on and are not crossthreaded. Please contact me with questions. The item "AK Jobe PL Hamilton 18s Pocket Watch Ball 999A 21 Jewel Movement GF Case" is in sale since Saturday, October 17, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Pocket Watches". The seller is "wis_watches" and is located in Mosinee, Wisconsin. This item can be shipped worldwide.